APA citiranje

Lougheed, L. (2007). Barron's IELTS: International English language testing system. Tp.HCM: Trẻ.

Trích dẫn kiểu Chicago

Lougheed, Lin. Barron's IELTS: International English Language Testing System. Tp.HCM: Trẻ, 2007.

MLA citiranje

Lougheed, Lin. Barron's IELTS: International English Language Testing System. Tp.HCM: Trẻ, 2007.

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