APA

تأليف Roach P., .English Phonetics and Phonology :A Practical Course. New York:Cambridge University Press,2010: .

Chicago

تأليف Roach Peter, .English Phonetics and Phonology :A Practical Course. New York:Cambridge University Press,2010: .

Harvard

تأليف Roach P., .English Phonetics and Phonology :A Practical Course. New York:Cambridge University Press,2010: .

MLA

تأليف Roach Peter, .New York:Cambridge University Press,2010: . .