एपीए उद्धरण

Sharpe, P. J. (2021). Pass key to the TOEFL iBT - CD1. Hauppauge, NY: Barrons Educational Series.

शिकागो स्टाइल उद्धरण

Sharpe, Pamela J. Pass Key to the TOEFL IBT - CD1. Hauppauge, NY: Barrons Educational Series, 2021.

एमएलए उद्धरण

Sharpe, Pamela J. Pass Key to the TOEFL IBT - CD1. Hauppauge, NY: Barrons Educational Series, 2021.