Cita APA

Sharpe, P. J. (1993). Practice exercise toefl. New York: Barron.

Citación estilo Chicago

Sharpe, Pamela J. Practice Exercise Toefl. New York: Barron, 1993.

Cita MLA

Sharpe, Pamela J. Practice Exercise Toefl. New York: Barron, 1993.