Dyfyniad APA

(2003). American headway; Student book - 2. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

American Headway; Student Book - 2. Oxford: Oxford University Press, 2003.

Dyfyniad MLA

American Headway; Student Book - 2. Oxford: Oxford University Press, 2003.

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