Cita APA

Black, M. (2006). Objective IELTS: Intermediate Student's book. Cambridge, UK: Cambridge University Press.

Citación estilo Chicago

Black, Michael. Objective IELTS: Intermediate Student's Book. Cambridge, UK: Cambridge University Press, 2006.

Cita MLA

Black, Michael. Objective IELTS: Intermediate Student's Book. Cambridge, UK: Cambridge University Press, 2006.

Precaución: Estas citas no son 100% exactas.