APA-referens

(1991). Headway teacher's book: Pre-intermediate. New York 0: Oxford University Press.

Chicago-stil citat

Headway Teacher's Book: Pre-intermediate. New York 0: Oxford University Press, 1991.

MLA-referens

Headway Teacher's Book: Pre-intermediate. New York 0: Oxford University Press, 1991.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.