APA引文

(2001). American headway 1: Workbook. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

American Headway 1: Workbook. Oxford: Oxford University Press, 2001.

MLA引文

American Headway 1: Workbook. Oxford: Oxford University Press, 2001.

警告:这些引文格式不一定是100%准确.