Black, M. (2006). Objective IELTS. Advanced: Self-study student's book. Cambridge: Cambridge University Press.
Chicago ZitierstilBlack, Michael. Objective IELTS. Advanced: Self-study Student's Book. Cambridge: Cambridge University Press, 2006.
MLA ZitierstilBlack, Michael. Objective IELTS. Advanced: Self-study Student's Book. Cambridge: Cambridge University Press, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.