Trích dẫn APA

Cambridge Universiry. (2013). Certificate in advanced English 1: With answers: Official examination papars from university of cambridge ESOL examinations. Anh: Cambridge.

Trích dẫn kiểu Chicago

Cambridge Universiry. Certificate in Advanced English 1: With Answers: Official Examination Papars From University of Cambridge ESOL Examinations. Anh: Cambridge, 2013.

MLA Trích dẫn

Cambridge Universiry. Certificate in Advanced English 1: With Answers: Official Examination Papars From University of Cambridge ESOL Examinations. Anh: Cambridge, 2013.

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