Gaya APA

J., S, P. (2020). Barron's The Trusted Name in Test Prep : TOEFL iBT with 8 Online Practice Tests (17). : Barrons Educational Series.

Gaya MLA

J., Sharpe, Pamela. "Barron's The Trusted Name in Test Prep : TOEFL iBT with 8 Online Practice Tests". 17 : Barrons Educational Series, 2020. Text.