Avery, P., & Ehrlich, S. (1992). Teaching American English pronunciation. Oxford University Press.
Dyfyniad Arddull ChicagoAvery, Peter, and Susan Ehrlich. Teaching American English Pronunciation. Oxford [England] ; New York: Oxford University Press, 1992.
Dyfyniad MLAAvery, Peter, and Susan Ehrlich. Teaching American English Pronunciation. Oxford University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.