Journal of the International Phonetic Association

國際語音學學會（The International Phonetic Association，IPA），1886年創立於巴黎，是世上最悠久的語音學家代表組織。其成立目標為促進語音學之研究，目前該學會訂有國際音標一套，為世界所有語言音標之標準。學會也發行期刊《Journal of the International

開央不圓唇元音

the International Phonetic Association: 108–110, 1999, ISBN 0-521-63751-1 Jassem, Wiktor, Polish, Journal of the International Phonetic Association, 2003

閉前不圓唇元音

Cecile; Smith, Caroline L, Illustrations of the IPA:French, Journal of the International Phonetic Association, 1993, 23 (2): 73–76, ISSN 0025-1003, S2CID 249404451

半閉央不圓唇元音

1: Lower Xumi, the Variety of the Lower and Middle Reaches of the Shuiluo River (PDF), Journal of the International Phonetic Association, 2013b, 43 (3):

半閉前不圓唇元音

Portuguese, Journal of the International Phonetic Association, 1995, 25 (2): 90–94, doi:10.1017/S0025100300005223 Dankovičová, Jana, Czech, Handbook of the International