APA Citation

Black, M. (2006). Objective IELTS Student's Book. Intermediate. Cambridge University Press.

Trích dẫn kiểu Chicago

Black, Michael. Objective IELTS Student's Book. Intermediate. Cambridge University Press, 2006.

MLA Citation

Black, Michael. Objective IELTS Student's Book. Intermediate. Cambridge University Press, 2006.

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