Dyfyniad APA

Avery, P. (1998). Teaching American English pronunciation. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Avery, Peter. Teaching American English Pronunciation. Oxford: Oxford University Press, 1998.

Dyfyniad MLA

Avery, Peter. Teaching American English Pronunciation. Oxford: Oxford University Press, 1998.

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