Cita APA (7a ed.)

Capel, A., & Sharp, W. (2001). Objective First Certificate: Student's book (1st published, 2nd repr.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Capel, Annette, y Wendy Sharp. Objective First Certificate: Student's Book. 1st published, 2nd repr. Cambridge [etc.]: Cambridge University Press, 2001.

Cita MLA (9a ed.)

Capel, Annette, y Wendy Sharp. Objective First Certificate: Student's Book. 1st published, 2nd repr. Cambridge University Press, 2001.