長音符號
參考文獻

↑  P.G.W. Glare (ed.),Oxford Latin Dictionary(Oxford at the Clarendon Press 1990), p. xxiii:Vowel quantities. Normally, only long vowels in a metrically indeterminate position are marked.
↑  Годечкият Говор от Михаил Виденов,Издателство на българската академия на науките,София, 1978, p. 19: ...характерни за всички селища от годечкия говор....Подобни случай са характерни и за книжовния език-Ст.Стойков, Увод във фонетиката на българския език , стр. 151..（保加利亞語）
↑  Iluta Dalbiņa un Inese Lāčauniece. . Rīga: RaKa. 2001: 110. ISBN 978-9984-46-130-4.
↑  Buse, Jasper with Taringa, Raututi (Bruce Biggs and Rangi Moekaʻa, eds.). (1996).Cook Islands Maori Dictionary with English-Cook Islands Maori Finder List.Avarua, Rarotonga: The Ministry of Education, Government of the Cook Islands; The School of Oriental and African Studies, The University of London; The Institute of Pacific Studies, The University of the South Pacific; The Centre for Pacific Studies, The University of Auckland; Pacific Linguistics, The Research School of Pacific and Asian Studies, The Australian National University.
↑  Carpentier, Tai Tepuaoterā Turepu and Beaumont, Clive. (1995).Kai kōrero: A Cook Islands Maori Language Coursebook.Auckland, New Zealand: Pasifika Press.
↑  . www.tetaurawhiri.govt.nz.   [2021-11-24]. （原始内容存档于2015-01-13）.
↑  Sperlich, Wolfgang B. (ed.) (1997).Tohi vagahau Niue–Niue language dictionary: Niuen-English with English-Niuean finderlist.Honolulu: University of Hawaii at Manoa Department of Linguistics.
↑  Académie Tahitienne. (1986).Grammaire de la langue tahitienne.Papeete, Tahiti: Fare Vānaʻa.
↑  Académie Tahitienne. (1999).Dictionnaire tahitien-français: Faʻatoro parau tahiti-farāni.Papeete, Tahiti: Fare Vānaʻa.
↑  LeMaître, Yves. (1995).Lexique du tahitien contemporain: tahitien-français français-tahitien.Paris: Éditions de l'IRD (ex-Orstom).
↑  Montillier, Pierre. (1999).Te reo tahitiʻāpi: Dictionnaire du tahitien nouveau et biblique.Papeete, Tahiti: STP Multipress.
↑  Jaussen, Mgr Tepano. (2001).Dictionnaire de la langue Tahitienne(10ème édition, revue et augmentée). Papeete, Tahiti: Société des Études Océaniennes.
↑  Académie Tahitienne (6 January 2003).et graphies de la langue tahitienne （页面存档备份，存于）.
↑  Simanu, Aumua Mata'itusi. 'O si Manu a Ali'i: A Text for the Advanced Study of Samoan Language and Culture
↑  François, Alexandre, , Linguistic Typology, 2005, 9 (1), S2CID 55878308, doi:10.1515/lity.2005.9.1.115
↑  François, Alexandre, , Phonology, 2010, 27 (3): 393–434  [2021-11-24], doi:10.1017/s0952675710000205, （原始内容存档于2018-05-21）
↑  François, Alexandre. . 2008  [2021-11-24]. （原始内容存档于2022-03-31）.
↑  . eki.ee.   [2021-11-24]. （原始内容存档于2022-06-16）.
↑  Smith, Rachel E.  (PDF) (学位论文). University of Manchester: 439. 2016  [2021-11-24]. （原始内容 (PDF)存档于2022-04-01）.
↑  Palmer, Bill.grammar of the Kokota language, Santa Isabel, Solomon Islands[]. PhD dissertation.
↑  OLBTO (2011) "Reading and Writing Obolo: Obolo Alphabet" in "A Workshop Manual for Teaching Obolo." Obolo Language and Bible Translation Organisation (OLBTO). p.1
↑  Cappelli, Adriano. . Milan: Editore Ulrico Hoepli Milano. 1961.
↑  Weisstein, Eric W. (编). . at MathWorld--A Wolfram Web Resource. Wolfram Research, Inc.  [2020-08-24]. （原始内容存档于2022-04-11） （英语）.
↑   (PDF). ISO/IEC JTC1/SC2/WG2. 2006-03-02  [2021-11-24]. （原始内容 (PDF)存档于2021-12-07）.
↑   (PDF). ISO/IEC JTC1/SC2/WG2. 2006-04-27  [2021-11-24]. （原始内容 (PDF)存档于2021-12-07）.