एपीए उद्धरण

Sharpe, P. J. (2008). Barron's the leader in test preparation: Practice exercises for the TOEFL iBT. Nxb Trẻ.

शिकागो स्टाइल उद्धरण

Sharpe, Pamela J. Barron's the Leader in Test Preparation: Practice Exercises for the TOEFL IBT. Nxb Trẻ, 2008.

एमएलए उद्धरण

Sharpe, Pamela J. Barron's the Leader in Test Preparation: Practice Exercises for the TOEFL IBT. Nxb Trẻ, 2008.