APA引文

(2008). Barron’s ielts international English language testing sytem (Kèm theo CD1-2/912-13).

Trích dẫn kiểu Chicago

Barron’s Ielts International English Language Testing Sytem (Kèm Theo CD1-2/912-13). 2008.

MLA引文

Barron’s Ielts International English Language Testing Sytem (Kèm Theo CD1-2/912-13). 2008.

警告：这些引文格式不一定是100％准确.