Gaya APA

Sharpe, P, J, P. (2020). Toefl Practice Exercises Ninth Edition (9). Fort Lauderdale: Barron\'s Educational Series.

Gaya MLA

Sharpe, Pamela, J.,, Ph.D.. "Toefl Practice Exercises Ninth Edition". 9 Fort Lauderdale: Barron\'s Educational Series, 2020. Text.