Dyfyniad APA

Alexander, L. G. (1981). Mainline: A functional, notional approach; progress B students book. Longman Group Ltd.

Dyfyniad Arddull Chicago

Alexander, L. G. Mainline: A Functional, Notional Approach; Progress B Students Book. London: Longman Group Ltd, 1981.

Dyfyniad MLA

Alexander, L. G. Mainline: A Functional, Notional Approach; Progress B Students Book. Longman Group Ltd, 1981.

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