APA (7th ed.) Citation

Roach, P. J. (1989). English phonetics and phonology: A practical course: tutor's book. Cambridge University.

Chicago Style (17th ed.) Citation

Roach, Peter John. English Phonetics and Phonology: A Practical Course: Tutor's Book. Cambridge: Cambridge University, 1989.

MLA (9th ed.) Citation

Roach, Peter John. English Phonetics and Phonology: A Practical Course: Tutor's Book. Cambridge University, 1989.