APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.