APA Citation

Balck, M. (2006). Objective IELTS: Intermediate. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Balck, Michael. Objective IELTS: Intermediate. Cambridge: Cambridge University Press, 2006.

MLA Citation

Balck, Michael. Objective IELTS: Intermediate. Cambridge: Cambridge University Press, 2006.

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