Roach, P. (2009). English Phonetics and Phonology: A practical course (cuarta edición.). Cambridge University.
Chicago Style (17. basım) AtıfRoach, Peter. English Phonetics and Phonology: A Practical Course. cuarta edición. Cambridge, Inglaterra: Cambridge University, 2009.
MLA (9th ed.) AtıfRoach, Peter. English Phonetics and Phonology: A Practical Course. cuarta edición. Cambridge University, 2009.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..