Dyfyniad APA

Avery, P. (1992). Teaching American English pronunciation. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Avery, Peter. Teaching American English Pronunciation. Oxford: Oxford University Press, 1992.

Dyfyniad MLA

Avery, Peter. Teaching American English Pronunciation. Oxford: Oxford University Press, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.