APA Citation

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 Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.