Cita APA

Potten, H., & Potten, J. (2001). Clockwise: Elementary classbook [Băng Casset]. Oxford: Oxford University Press.

Chicago Style Citation

Potten, Heather, i Jonathan Potten. Clockwise: Elementary Classbook [Băng Casset]. Oxford: Oxford University Press, 2001.

Cita MLA

Potten, Heather, i Jonathan Potten. Clockwise: Elementary Classbook [Băng Casset]. Oxford: Oxford University Press, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.