APA Alıntı

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

Chicago Stili Alıntı

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

MLA Alıntı

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

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