Cita APA

Mark Irvine. (1999). Commercially speaking (Student's book). Oxford: Oxford Univ. Press.

Chicago Style Citation

Mark Irvine. Commercially Speaking (Student's Book). Oxford: Oxford Univ. Press, 1999.

Cita MLA

Mark Irvine. Commercially Speaking (Student's Book). Oxford: Oxford Univ. Press, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.