Dyfyniad APA

GILBERT, J. B. (1984). Clear speech: Pronunciation and listening comprehensionin American English. Cambridge University Press.

Dyfyniad Arddull Chicago

GILBERT, Judy B. Clear Speech: Pronunciation and Listening Comprehensionin American English. Cambridge: Cambridge University Press, 1984.

Dyfyniad MLA

GILBERT, Judy B. Clear Speech: Pronunciation and Listening Comprehensionin American English. Cambridge University Press, 1984.

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