(页面存档备份,存于互联网档案馆) Gordon, Cyrus H. The Accidental Invention of the Phonemic Alphabet. Journal of Near Eastern Studies. 1970, 29 (3): 193. JSTOR 543451. doi:10
Style Manual (2003), “Slavonic Languages”, s 11.41.2, p 350. Oxford University Press. “Searching for Cyrillic items in the catalogues of the British Library:
ᴀ:缩小的大写A,一个过时或非标准国际音标符号,被用于表示主要是开元音的各种音。 A a ᵄ:修饰字母,被用于乌拉尔语音标字母(英语:Uralic Phonetic Alphabet)(UPA)中。(有时使用Unicode的上标与下标(英语:Unicode subscripts and superscripts)编码实现)