Cita APA

Black, M., & Capel, A. (2006). Objective IELTS advanced: Teacher's book. Cambridge, United Kingdom: Cambridge University Press.

Citación estilo Chicago

Black, Michael, and Annette Capel. Objective IELTS Advanced: Teacher's Book. Cambridge, United Kingdom: Cambridge University Press, 2006.

Cita MLA

Black, Michael, and Annette Capel. Objective IELTS Advanced: Teacher's Book. Cambridge, United Kingdom: Cambridge University Press, 2006.