Dyfyniad APA

(2011). Prepare for IELTS: Skills and strategies. Tp. Hồ Chí Minh: Trẻ.

Dyfyniad Arddull Chicago

Prepare for IELTS: Skills and Strategies. Tp. Hồ Chí Minh: Trẻ, 2011.

Dyfyniad MLA

Prepare for IELTS: Skills and Strategies. Tp. Hồ Chí Minh: Trẻ, 2011.

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