APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.