APA (7e ed.) Bronvermelding

Sharpe, P. J. (2010). TOEFL iBT: Internet -based text (Thirteenth edition.). Barron's Educational Series, Inc ; Galgotia publications Pvt. Ltd.

Chicago (17e ed.) Bronvermelding

Sharpe, Pamela J. TOEFL IBT: Internet -based Text. Thirteenth edition. Hauppauge, N.Y. : New Delhi: Barron's Educational Series, Inc ; Galgotia publications Pvt. Ltd, 2010.

MLA (8e ed.) Bronvermelding

Sharpe, Pamela J. TOEFL IBT: Internet -based Text. Thirteenth edition. Barron's Educational Series, Inc ; Galgotia publications Pvt. Ltd, 2010.