APA引文

(1993). Headway Upper-immediate: (Student's book). Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Headway Upper-immediate: (Student's Book). Oxford: Oxford University Press, 1993.

MLA引文

Headway Upper-immediate: (Student's Book). Oxford: Oxford University Press, 1993.

警告：這些引文格式不一定是100％准確.