Dyfyniad APA

Lougheed, L. (2010). Barron’s IELTS: International Language Testing System (2nd ed.). Tp.HCM: Trẻ.

Dyfyniad Arddull Chicago

Lougheed, Lin. Barron’s IELTS: International Language Testing System. 2nd ed. Tp.HCM: Trẻ, 2010.

Dyfyniad MLA

Lougheed, Lin. Barron’s IELTS: International Language Testing System. 2nd ed. Tp.HCM: Trẻ, 2010.

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