8[1]Celce-Murcia, M., Brinton, D., & Goodwin, J. Teaching pronunciation : A reference for teachers of English to speakers of other languages. Cambridge: Cambridge University Press. 1996.
9[2]Gimson, A. C. An introduction to the pronunciation of English(3rdedn.). London: Edward Arnold. 1980.
10[3]Keys, K. J. Current trends in pronunciation teaching: the teaching/ learning environment and pronunciation. IATEFL Issues,1999, 151:6-7.
