Cita APA

Black, M. (2006). Objective IELTS: Advanced. Cambridge: Cambridge University Press.

Chicago Style Citation

Black, Michael. Objective IELTS: Advanced. Cambridge: Cambridge University Press, 2006.

Cita MLA

Black, Michael. Objective IELTS: Advanced. Cambridge: Cambridge University Press, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.