Black, M. (2006). Objective IELTS. Advanced: Self-study student's book. Cambridge: Cambridge University Press.
Chicago Style CitationBlack, Michael. Objective IELTS. Advanced: Self-study Student's Book. Cambridge: Cambridge University Press, 2006.
Cita MLABlack, Michael. Objective IELTS. Advanced: Self-study Student's Book. Cambridge: Cambridge University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.