Lougheed, L. (2011). Ielts International English Languages Testing System. Nhân Trí Việt.
Chicago Style CitationLougheed, Lin. Ielts International English Languages Testing System. Nhân Trí Việt, 2011.
MLA CitationLougheed, Lin. Ielts International English Languages Testing System. Nhân Trí Việt, 2011.
Warning: These citations may not always be 100% accurate.