1. Avanesov, Rubin I.: 1956,Fonetika sovremennogo russkogo jazyka, Izdatel’stvo Universiteta, Moscow.
2. Avanesov, Rubin I.: 1968,Russkoe literaturnoe proiznošenie, Prosveščenie, Moscow.
3. Campbell, Lyie: 1974,Phonological features: problems and proposals, Lg. 50, 52–65.
4. Chomsky, Noam and Morris Halle: 1968,The sound pattern of English, Harper and Row, New York.
5. De Armond, Richard C.: “Palatal’ and ‘palatalized’ redefined’,CJL 11, 109-13.