半閉央不圓唇元音(close-mid central unrounded vowel、high-mid central unrounded vowel[1])是元音的一種,存在于一些語言當中,國際音標是⟨ɘ⟩,形如左右翻转的“e”。此符号于1993年添加进IPA中,在此之前,此元音的音标记作⟨ë⟩。X-SAMPA符号是⟨@\⟩。
Cox, F.M., The acoustic characteristics of /hVd/ vowels in the speech of some Australian teenagers, Australian Journal of Linguistics, 2006, 26: 147–179 [2013-01-27], doi:10.1080/07268600600885494, (原始内容存档于2008-09-24)/hVd/ vowels in the speech of some Australian teenagers&rft.aufirst=F.M.&rft.aulast=Cox&rft.date=2006&rft.genre=article&rft.jtitle=Australian Journal of Linguistics&rft.pages=147-179&rft.volume=26&rft_id=http://www.informaworld.com/smpp/title~content=g757708700~db=all&rft_id=info:doi/10.1080/07268600600885494&rft_val_fmt=info:ofi/fmt:kev:mtx:journal" class="Z3988">
Durie, M.; Hajek, J., A revised standard phonemic orthography for Australian English vowels, Australian Journal of Linguistics, 1994, 14 (1): 93–107, doi:10.1080/07268609408599503
Fast Mowitz, Gerhard, Sistema fonológico del idioma achual, Lima: Instituto Lingüístico de Verano, 1975
Iivonen, Antti; Harnud, Huhe, Acoustical comparison of the monophthong systems in Finnish, Mongolian and Udmurt, Journal of the International Phonetic Association, 2005, 35 (1): 59–71, doi:10.1017/S002510030500191X
Jassem, Wiktor, Polish, Journal of the International Phonetic Association, 2003, 33 (1): 103–107, doi:10.1017/S0025100303001191
Kohler, Klaus J., German, Handbook of the International Phonetic Association: A guide to the use of the International Phonetic Alphabet, Cambridge: Cambridge University Press: 86–89, 1999, ISBN 0-521-65236-7
Lee, Hyun Bok, Korean, Handbook of the International Phonetic Association, Cambridge University Press: 120–122, 1999, ISBN 0-521-63751-1
Remijsen, Bert; Manyang, Caguor Adong, Luanyjang Dinka(PDF), Journal of the International Phonetic Association, 2009, 39 (1): 113–124 [2018-02-15], doi:10.1017/S0025100308003605, (原始内容(PDF)存档于2016-03-09)
Roca, Iggy; Johnson, Wyn, A Course in Phonology, Blackwell Publishing, 1999, ISBN 0-631-21345-7
Sadowsky, Scott; Painequeo, Héctor; Salamanca, Gastón; Avelino, Heriberto, Mapudungun, Journal of the International Phonetic Association, 2013, 43 (1): 87–96 [2018-02-15], doi:10.1017/S0025100312000369, (原始内容存档于2018-11-06)
Valenzuela, Pilar M.; Gussenhoven, Carlos, Shiwilu (Jebero)(PDF), Journal of the International Phonetic Association, 2013, 43 (1): 97–106 [2018-02-15], doi:10.1017/S0025100312000370, (原始内容存档(PDF)于2019-08-04)
Vanvik, Arne, Norsk fonetikk, Oslo: Universitetet i Oslo, 1979, ISBN 82-990584-0-6