APA ציטוט

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.

ציטוט MLA

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