Trích dẫn APA

University of Cambridge. (2011). Cambridge IELTS 8 Audio CD: Official examination papers from University of Cambridge ESOL examinations. New York: Cambridge university Press.

Trích dẫn kiểu Chicago

University of Cambridge. Cambridge IELTS 8 Audio CD: Official Examination Papers From University of Cambridge ESOL Examinations. New York: Cambridge university Press, 2011.

Trích dẫn MLA

University of Cambridge. Cambridge IELTS 8 Audio CD: Official Examination Papers From University of Cambridge ESOL Examinations. New York: Cambridge university Press, 2011.

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