APA (7th ed.) Citation

Lougheed, L. Barron's ielts: International language testing system.

Chicago Style (17th ed.) Citation

Lougheed, Lin. Barron's Ielts: International Language Testing System. New Delhi New Age International 2007:.

MLA (9th ed.) Citation

Lougheed, Lin. Barron's Ielts: International Language Testing System.