Cita APA (7th ed.)

Sharpe, P. J. (2001). How to prepare for the toefl test (Tenth edition.). Barron's.

Cita Chicago (17th ed.)

Sharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. New York: Barron's, 2001.

Cita MLA (9th ed.)

Sharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. Barron's, 2001.