R-6 (航空機)
1 2 3 4 5 6 7 8 9 Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875 – 1995. London: Osprey Publishing. pp. 324–325. ISBN 1 85532 405 9
↑ “ru:Авария ПС-7 авиаотряда Дальстроя НКВД СССР в Чокурдахе” [Accident PS-7 Dalstroi Aviation near Chokurdakh] (Russian). airdisaster.ru. 2014年11月13日閲覧。
↑ “ru:Авария ПС-7 авиаотряда Дальстроя НКВД СССР в Зырянке” [Accident PS-7 Dalstroi Aviation near Zyrianka] (Russian). airdisaster.ru. 2014年11月13日閲覧。
Duffy, Paul and Andrei Kandalov. (1996) Tupolev The Man and His aircraft. Warrendale, PA: Society of Automotive Engineers.
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