APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.