Dyfyniad APA

Griffiths, M. (2012). Cambridge IELTS practice tests. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.

Dyfyniad Arddull Chicago

Griffiths, Mark. Cambridge IELTS Practice Tests. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2012.

Dyfyniad MLA

Griffiths, Mark. Cambridge IELTS Practice Tests. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2012.

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