Dyfyniad APA

Lin Lougheed. (2007). Barron's IELTS: International english language testing system. Tp. Hồ Chí Minh: Trẻ.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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