Dyfyniad APA

(2002). American headway: Student's book,Starter. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

American Headway: Student's Book,Starter. Oxford: Oxford University Press, 2002.

Dyfyniad MLA

American Headway: Student's Book,Starter. Oxford: Oxford University Press, 2002.

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