एपीए उद्धरण

Lougheed, L. (2013). Barron's IELTS practice exams: With audio CDs. Hauppauge, NY: Barron's Educational Series.

शिकागो स्टाइल उद्धरण

Lougheed, Lin. Barron's IELTS Practice Exams: With Audio CDs. Hauppauge, NY: Barron's Educational Series, 2013.

एमएलए उद्धरण

Lougheed, Lin. Barron's IELTS Practice Exams: With Audio CDs. Hauppauge, NY: Barron's Educational Series, 2013.