Cita APA (7th ed.)
Roach, P. (1991). English phonetics and phonology: A practical course (2nd ed.). Cambridge.
Cita Chicago (17th ed.)
Roach, Peter. English Phonetics and Phonology: A Practical Course. 2nd ed. New York: Cambridge, 1991.
Cita MLA (9th ed.)
Roach, Peter. English Phonetics and Phonology: A Practical Course. 2nd ed. Cambridge, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.