Cita APA (7a ed.)
Sharpe, P. J. (1996). Pass key to the TOEFL (2 ed.). Barron's educational series INC.
Cita Chicago Style (17a ed.)
Sharpe, Pamela J. Pass Key to the TOEFL. 2 ed. Barron's educational series INC, 1996.
Cita MLA (9a ed.)
Sharpe, Pamela J. Pass Key to the TOEFL. 2 ed. Barron's educational series INC, 1996.
Precaución: Estas citas no son 100% exactas.