APA引文

Bowler, B., & Cunningham, S. (1991). Headway, Upper-Intermediate: Pronunciation. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Bowler, Bill, và Sarah Cunningham. Headway, Upper-Intermediate: Pronunciation. Oxford: Oxford University Press, 1991.

MLA引文

Bowler, Bill, và Sarah Cunningham. Headway, Upper-Intermediate: Pronunciation. Oxford: Oxford University Press, 1991.

警告：这些引文格式不一定是100％准确.