एपीए उद्धरण

(2006). Toefl iBT: The English scores you need! New York: Learning express.

शिकागो स्टाइल उद्धरण

Toefl IBT: The English Scores You Need! New York: Learning express, 2006.

एमएलए उद्धरण

Toefl IBT: The English Scores You Need! New York: Learning express, 2006.