APA引文

(1997). Headway intermediate: Student's book. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Headway Intermediate: Student's Book. Oxford: Oxford Univ. Press, 1997.

MLA引文

Headway Intermediate: Student's Book. Oxford: Oxford Univ. Press, 1997.

警告：這些引文格式不一定是100％准確.