phonetics

Roach .P. (1991) “English Phonetics and Phonology”.Cambridge University Press. [https://abudira.files.wordpress.com/2015/06/peter-roach_1998_english-phonetics-and-phonology_ebook-free.pdf https://abudira.files.wordpress.com/2015/06/peter-roach_1998_english-phonetics-and-phonology_ebook-free.pdf]