Trích dẫn APA

Examinations, E. (2017). Cambridge English IELTS 9 with answers. Cambridge University Press.

Trích dẫn kiểu Chicago

Examinations, ESOL. Cambridge English IELTS 9 With Answers. Cambridge University Press, 2017.

MLA Trích dẫn

Examinations, ESOL. Cambridge English IELTS 9 With Answers. Cambridge University Press, 2017.

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