Cita APA

Peter May. (1999). Knockout first certificate ( Student's book ). Oxford: Oxford Univ. Press.

Chicago Style Citation

Peter May. Knockout First Certificate ( Student's Book ). Oxford: Oxford Univ. Press, 1999.

Cita MLA

Peter May. Knockout First Certificate ( Student's Book ). Oxford: Oxford Univ. Press, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.