Balck, M. (2006). Objective IELTS: Intermediate. Cambridge: Cambridge University Press.
Chicago Style CitationBalck, Michael. Objective IELTS: Intermediate. Cambridge: Cambridge University Press, 2006.
MLA CitationBalck, Michael. Objective IELTS: Intermediate. Cambridge: Cambridge University Press, 2006.
Warning: These citations may not always be 100% accurate.