APA-referens (7:e uppl.)

Alexander, L. G. (1981). Mainline: A functional, notional approach. Progress B Teacher's Book. Longman Group Ltd.

Chicago-referens (17:e uppl.)

Alexander, L. G. Mainline: A Functional, Notional Approach. Progress B Teacher's Book. London: Longman Group Ltd, 1981.

MLA-referens (9:e uppl.)

Alexander, L. G. Mainline: A Functional, Notional Approach. Progress B Teacher's Book. Longman Group Ltd, 1981.