Gaya APA

Lougheed, L. (2016). Barron's The Leader in Test Preparation IELTS Practice Exams (ed. 3). New York: Barrons\'s Educational Series.

Gaya MLA

Lougheed, Lin. "Barron's The Leader in Test Preparation IELTS Practice Exams". ed. 3 New York: Barrons\'s Educational Series, 2016. Text.