Cita APA

Lougheed, L. (2013). Barron's IELTS: International English language testing system. New York: Barron's Educational Series.

Chicago Style Citation

Lougheed, Lin. Barron's IELTS: International English Language Testing System. New York: Barron's Educational Series, 2013.

Cita MLA

Lougheed, Lin. Barron's IELTS: International English Language Testing System. New York: Barron's Educational Series, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.