Cita APA (7a ed.)

ROACH, P. (1993). English phonetics and phonology: A practical course.--Ed.2. Cambridge University Press.

Cita Chicago Style (17a ed.)

ROACH, Peter. English Phonetics and Phonology: A Practical Course.--Ed.2. Cambridge: Cambridge University Press, 1993.

Cita MLA (9a ed.)

ROACH, Peter. English Phonetics and Phonology: A Practical Course.--Ed.2. Cambridge University Press, 1993.