APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.