APA引文

Lougheed, L. (2011). Ielts International English Languages Testing System. Nhân Trí Việt.

Trích dẫn kiểu Chicago

Lougheed, Lin. Ielts International English Languages Testing System. Nhân Trí Việt, 2011.

MLA引文

Lougheed, Lin. Ielts International English Languages Testing System. Nhân Trí Việt, 2011.

警告：这些引文格式不一定是100％准确.