Dyfyniad APA

Bowler B. Bill & Cunningham S. Sarah. (2001). New Headway. Pronunciation Course. Upper-Intermediate. Oxford, Oxford University Press, 2001.

Dyfyniad Arddull Chicago

Bowler B. Bill and Cunningham S. Sarah. New Headway. Pronunciation Course. Upper-Intermediate. Oxford, Oxford University Press, 2001, 2001.

Dyfyniad MLA

Bowler B. Bill and Cunningham S. Sarah. New Headway. Pronunciation Course. Upper-Intermediate. Oxford, Oxford University Press, 2001, 2001.

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