Cita APA

Oï Dell, F., & Broadhead, A. (2008). Objective.CAE: Self-study student's book (2a. ed.). Cambridge University.

Citación estilo Chicago

Oï Dell, Felicity, and Annie Broadhead. Objective.CAE: Self-study Student's Book. 2a. ed. Cambridge: Cambridge University, 2008.

Cita MLA

Oï Dell, Felicity, and Annie Broadhead. Objective.CAE: Self-study Student's Book. 2a. ed. Cambridge University, 2008.