Cita APA (7a ed.)

Vince, M., & Emmerson, P. (2003). First Certificate: Language practice. Oxford University Press.

Cita Chicago Style (17a ed.)

Vince, Michael, y Paul Emmerson. First Certificate: Language Practice. Oxford: Oxford University Press, 2003.

Cita MLA (8a ed.)

Vince, Michael, y Paul Emmerson. First Certificate: Language Practice. Oxford University Press, 2003.