Roach, P. (2000). English phonetics and phonology: A self-contained, comprehensive pronunciation course (3rd ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoRoach, Peter. English Phonetics and Phonology: A Self-contained, Comprehensive Pronunciation Course. 3rd ed. Cambridge: Cambridge University Press, 2000.
Dyfyniad MLARoach, Peter. English Phonetics and Phonology: A Self-contained, Comprehensive Pronunciation Course. 3rd ed. Cambridge University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.