Cita APA (7a ed.)

Roach, P. (1987). English phonetics and phonology: A practical course. Cambridge University Press.

Cita Chicago Style (17a ed.)

Roach, Peter. English Phonetics and Phonology: A Practical Course. Cambridge: Cambridge University Press, 1987.

Cita MLA (8a ed.)

Roach, Peter. English Phonetics and Phonology: A Practical Course. Cambridge University Press, 1987.