Cita APA (7a ed.)

Roach, P. (1983). English phonetics and phonology: A practical course. Tutor's book. University Press.

Cita Chicago Style (17a ed.)

Roach, Peter. English Phonetics and Phonology: A Practical Course. Tutor's Book. Cambridge: University Press, 1983.

Cita MLA (9a ed.)

Roach, Peter. English Phonetics and Phonology: A Practical Course. Tutor's Book. University Press, 1983.