次閉次後不圓唇元音 Sebastián & Marlett (2008),第366頁. Bauer, Laurie; Warren, Paul, New Zealand English : phonology , Schneider, Edgar W.; Burridge, Kate; Kortmann, Bernd; Mesthrie
閉後不圓唇元音doi:10.1017/s002510030999017x . Bauer, Laurie; Warren, Paul, New Zealand English : phonology , Schneider, Edgar W.; Burridge, Kate; Kortmann, Bernd; Mesthrie
半閉後不圓唇元音doi:10.1017/s002510030999017x Bauer, Laurie; Warren, Paul, New Zealand English : phonology , Schneider, Edgar W.; Burridge, Kate; Kortmann, Bernd; Mesthrie
毛利语Maori Phonology (页面存档备份,存于互联网档案馆) maorilanguage.net (页面存档备份,存于互联网档案馆) Learn the basics of Māori Language with video tutorials Microsoft New Zealand Māori
閉後圓唇元音 1966 Basbøll, Hans, The Phonology of Danish, 2005, ISBN 0-203-97876-5 Bauer, Laurie; Warren, Paul, New Zealand English : phonology , Schneider, Edgar W.;