无轨电车系统列表
参考资料

↑  http://www.metro-report.com/news/single-view/view/marrakech-trolleybus-route-inaugurated.html （页面存档备份，存于） Metro Report.
↑  Trolleybus Magazine (TM) No. 164, March–April 1989, p. 40.
↑  TM No. 257, Sep.-Oct. 2004, p. 111.
↑  TM No. 227, Sep.-Oct. 1999, p. 112.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29  Murray (2000), p. 78.
↑  Trolleybus Magazine (TM) No. 286 (July–August 2009), pp. 87 and 89. National Trolleybus Association (UK). ISSN 0266-7452.
↑  Murray (2000), p. 131.
↑  TM Nos. 183, May–June 1992, pp. 53, 69; and 187,  Jan.-Feb. 1993, p. 22.
1 2  TM No. 192, Nov.-Dec. 1993, p. 158.
↑  梅利（2000年）指關閉日期為1926年5月。
↑  Morrison, Allen. "The Trolleybuses of Valparaíso, Chile". Trolleybus Magazine No. 147, May–June 1986.
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1 2 3 4 5 6 7 8  Murray, Alan (2000). World Trolleybus Encyclopaedia (ISBN 0-904235-18-1). Yateley, Hampshire, UK: Trolleybooks.
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↑  Trolleybus Magazine No. 316, July–August 2014, pp. 102–103.
↑  Trolleybus Magazine No. 307, January–February 2013, p. 22.
1 2  Trolleybus Magazine No. 95,日7月1977, p. 90.
↑  Trolleybus Magazine No. 235, January–February 2001, p. 14.
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↑  Murray (2000), p. 79.
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↑  Trolleybus Magazine (TM) No. 194 (March–April 1994), p. 56.  National Trolleybus Association (UK). ISSN 0266-7452.
↑  . Electric Railway Historical Association of Southern California.   [2015-06-11]. （原始内容存档于2021-01-25）.
1 2 3 4 5 6 7 8  Bruce, Ashley R. (2017). Lombard-Gerin and Inventing the Trolleybus. Trolleybooks (UK).  ISBN 978-0-904235-25-8.
↑  Sebree, Mac; and Ward, Paul (1974). The Trolley Coach in  North America. Los Angeles: Interurban Press. LCCN 74-20367.
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↑  Trolleybus Magazine (TM) No. 260, Mar.-Apr. 2005.
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↑  Box, Roland (July–August 2010). "More about the 2000s". Trolleybus Magazine No. 292, p. 82. National Trolleybus Association (UK). ISSN 0266-7452.
↑  Trolleybus Magazine No. 311, September–October 2013, p. 138.
↑  Trolleybus Magazine No. 275, September–October 2007, p 119.
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↑  Trolleybus Magazine No. 254, March–April 2004, p. 42. ISSN 0266-7452.
↑  Trolleybus Magazine No. 259, January–February 2005, p. 12.
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1 2  Trolleybus Magazine No. 291, May–June 2010, p. 61.
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1 2  Haseldine, Peter (March–April 2015). "Tehran Closure".  Trolleybus Magazine No. 320, pp. 40–43. National Trolleybus Association (UK). ISSN 0266-7452.
1 2 3  原口隆行 Haraguchi, Takayuki. 2000. 日本の路面電車 III (廃止路線西日本編) Nippon no romendensha III (Haishi Rosen Nishi-Nippon-hen) (JTB Can Books series). Tokyo: Japan Travel Bureau.
1 2 3 4  原口隆行 Haraguchi, Takayuki. 2000. 日本の路面電車 II (廃止路線東日本編) Nippon no romendensha II (Haishi Rosen Higashi-Nippon-hen) (JTB Can Books series). Tokyo: Japan Travel Bureau.
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1 2  Trolleybus Magazine No. 273, May–June 2007, p. 66.
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↑  Box, Roland (July-Aug. 2010). "More about the 2000s". Trolleybus Magazine No. 292, pp. 78–82.
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↑  Trolleybus Magazine No. 323, September–October 2015, p. 148.
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↑  Teaduste akadeemiast trolliga otse hullumajja Archive.today的存檔，存档日期2012-09-07 (Estonian)
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↑  Trolleybus Magazine No. 237 (May–June 2001),  p. 67.
1 2  Webb, Mary (ed.) (2009). "World Urban Tram and Light Rail Systems" and "World Urban Trolleybus Systems" (lists). Jane's Urban Transport Systems 2009-2010.  Coulsdon, Surrey (UK): Jane's Information Group. ISBN 978-0-7106-2903-6.
↑  Box, Roland (ed.). "Is it a Bus? Is it a Tram". Trolleybus Magazine No. 230 (March–April 2000), p. 26. National Trolleybus Association. ISSN 0266-7452.
↑  Trolleybus Magazine No. 258 (Nov.-Dec. 2004),  p. 137.
1 2  Zenz, Emil.  [75 Years of City Transit Service]. Stadtwerke Trier. 1980: 60, 98–99 （德语）.
1 2  Trolleybus Magazine (TM) No. 289, January–February 2010, p. 15/17.
↑  TM No. 291, May–June 2010, p. 64.
↑  TM No. 286, July–August 2009, p. 92.
↑  TM No. 320, March–April 2015, p. 56.
↑  TM No. 338, March–April 2018, p. 66.
1 2  Isgar, Carl. "In the Shadow of Vesuvius", Part 1.  TM No. 282, Nov.-Dec. 2008, p. 125.
↑  TM No. 327 (May–June 2016), p. 88.
↑  TM No. 271, Jan.-Feb. 2007, p. 19.
↑  TM No. 233, Sep.-Oct. 2000, p. 116.
↑  Morgan, S. (Oct. 2000). "Obusse kehren nach Modena zurück". Stadtverkehr.  Freiburg, Germany: Eisenbahn-Kurier Verlag.
1 2 3 4 5  Gregoris, et al. (2003). Giro d'Italia in filobus. ISBN 88-7785-193-7.
↑  TM No. 281, Sep.-Oct. 2008, p. 109.
↑  TM No. 279, May–June 2008, p. 66.
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↑  . www.sparvagssallskapet.se. Svenska Spårvägssällskapet [Swedish Tramway Society].   [2016-02-04]. （原始内容存档于2020-09-30） （英语）.
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↑  Tarkov, Sergei. "The Solonceni Trolleybus". Trolleybus Magazine No. 200, March–April 1995.
↑  Trolleybus Magazine No. 305, September–October 2012, p. 120.
↑  Trolleybus Magazine No. 290, March–April 2010, p. 45.
↑  .   [2016-02-04]. （原始内容存档于2018-10-03）.
↑  .   [2019-06-18]. （原始内容存档于2019-08-10）.
↑  .   [2019-06-18]. （原始内容存档于2019-10-30）.
↑  Murray, p. 33.
↑  Murray, p. 40.
↑  Trolleybus Magazine (TM) No. 278, March–April 2008, p. 45.v
↑
↑  .   [2019-06-18]. （原始内容存档于2012-03-01）.
↑  TM No. 257, Sep.-Oct. 2004, p. 122.
↑  Tarkhov (2000), "Empire of the Trolleybus: Vol 1 - Russia", p. 135.
↑  Haseldine, Peter. "Trolleybuses Return to Spain". Trolleybus Magazine, No. 281, Sep.-Oct. 2008, p. 98.
↑  Brown, Terry. "Trolleybuses in Sweden, Once Again". Trolleybus Magazine No. 253, Jan.-Feb. 2004, p. 14
↑  Murray, Alan. "Farewell to a Rural Trolleybus".  Trolleybus Magazine No. 94, May-June 1977. p. 65. National Trolleybus Association (UK).
↑  2007年6月17日舉辦了公投，州選民駁回無軌電車系統繼續營運的計劃。選民接受州政府購買巴士取代無軌電車系統的反計劃。因此，當時唯一營運的無軌電車路線在2008年6月停運：Referendum results （页面存档备份，存于）
↑  Box, Roland. "A Short History of the Genève System."  Trolleybus Magazine No. 278, March-April 2008, p. 26.  National Trolleybus Association (UK).
↑  Trolleybus Magazine No. 240 (November-December 2001), p. 141.
1 2  Joyce, J.; King, J. S.; and Newman, A. G. (1986). British Trolleybus Systems. London: Ian Allan Publishing. ISBN 0-7110-1647-X.
↑  . Bus Zone.   [2008-02-28]. （原始内容存档于2008-08-27）.