APA引文

Loungheed, L. (2011). Barron's IELTS: International English language testing system (2nd ed.). New Age Intenational.

芝加哥风格引文

Loungheed, Lin. Barron's IELTS: International English Language Testing System. 2nd ed. New Delhi: New Age Intenational, 2011.

MLA引文

Loungheed, Lin. Barron's IELTS: International English Language Testing System. 2nd ed. New Age Intenational, 2011.

警告：这些引文格式不一定是100％准确.