APA citiranje

Collins Cobuild. (2012). Collins Cobuild Key Words for IELTS. TP. HCM: Tổng hợp.

Trích dẫn kiểu Chicago

Collins Cobuild. Collins Cobuild Key Words for IELTS. TP. HCM: Tổng hợp, 2012.

MLA citiranje

Collins Cobuild. Collins Cobuild Key Words for IELTS. TP. HCM: Tổng hợp, 2012.

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