Cita APA

Mcgowen, B., & Richardson, V. (2001). Clockwise: Pre-intermediate classbook. Oxford: Oxford University Press.

Chicago Style Citation

Mcgowen, Bruce., i Vic Richardson. Clockwise: Pre-intermediate Classbook. Oxford: Oxford University Press, 2001.

Cita MLA

Mcgowen, Bruce., i Vic Richardson. Clockwise: Pre-intermediate Classbook. Oxford: Oxford University Press, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.