APA引文

(1986). Headway workbook: Intermediate. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Headway Workbook: Intermediate. Oxford: Oxford University Press, 1986.

MLA引文

Headway Workbook: Intermediate. Oxford: Oxford University Press, 1986.

警告:這些引文格式不一定是100%准確.