APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.