Cita APA

Bowler, B., & Parminter, S. (1992). Headway, Pre-Intermediate: Pronunciation. Oxford: Oxford University Press.

Chicago Style Citation

Bowler, Bill, i Sue Parminter. Headway, Pre-Intermediate: Pronunciation. Oxford: Oxford University Press, 1992.

Cita MLA

Bowler, Bill, i Sue Parminter. Headway, Pre-Intermediate: Pronunciation. Oxford: Oxford University Press, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.