Cita APA (7a ed.)

Oxenden, C., Hamilton, G., & Latham Koenig, C. (2002). English file intermediate: Teacher's book. Oxford University Press.

Cita Chicago Style (17a ed.)

Oxenden, Clive, Gill Hamilton, y Christina Latham Koenig. English File Intermediate: Teacher's Book. Oxford: Oxford University Press, 2002.

Cita MLA (9a ed.)

Oxenden, Clive, et al. English File Intermediate: Teacher's Book. Oxford University Press, 2002.