Cita APA

Irvine, M., & Cadman, M. (1999). Commercially speaking: Student's book. Oxford: Oxford University Press.

Citación estilo Chicago

Irvine, Mark, y Marion Cadman. Commercially Speaking: Student's Book. Oxford: Oxford University Press, 1999.

Cita MLA

Irvine, Mark, y Marion Cadman. Commercially Speaking: Student's Book. Oxford: Oxford University Press, 1999.