APA引文

Lougheed, L. (2007). IELTS =: International English Language Testing System. Tp. Hồ Chí Minh: Trẻ.

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.