Sharpe, P. J. (2001). How to prepare for the toefl test (Tenth edition.). Barron's.
Citación estilo ChicagoSharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. New York: Barron's, 2001.
Cita MLASharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. Barron's, 2001.
Warning: These citations may not always be 100% accurate.