Roach, P. (2009). English Phonetics and Phonology: A practical course (cuarta edición.). Cambridge University.
Chicago Style (17th ed.) CitationRoach, Peter. English Phonetics and Phonology: A Practical Course. cuarta edición. Cambridge, Inglaterra: Cambridge University, 2009.
MLA (9th ed.) CitationRoach, Peter. English Phonetics and Phonology: A Practical Course. cuarta edición. Cambridge University, 2009.
Warning: These citations may not always be 100% accurate.