Sharpe, P. J. (2001). How to prepare for the toefl test (Tenth edition.). Barron's.
Cita Chicago Style (17a ed.)Sharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. New York: Barron's, 2001.
Cita MLA (9a ed.)Sharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. Barron's, 2001.
Precaución: Estas citas no son 100% exactas.