Cita APA

Lougheed, L., & Lin Lougheed. (2007). Barron's IELTS: International english language testing system. Tp. Hồ Chí Minh: Trẻ.

Chicago Style Citation

Lougheed, Lin, i Lin Lougheed. Barron's IELTS: International English Language Testing System. Tp. Hồ Chí Minh: Trẻ, 2007.

Cita MLA

Lougheed, Lin, i Lin Lougheed. Barron's IELTS: International English Language Testing System. Tp. Hồ Chí Minh: Trẻ, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.