Roach, P. English phonetics and phonology: A practical course (4th ed.). Cambridge University Press.
Citación estilo ChicagoRoach, Peter. English Phonetics and Phonology: A Practical Course. 4th ed. New York: Cambridge University Press.
Cita MLARoach, Peter. English Phonetics and Phonology: A Practical Course. 4th ed. Cambridge University Press.
Warning: These citations may not always be 100% accurate.