Gaya APA

Sharpe, P, J. (2012). Barron's The leader in test preparation TOEFL iBT: internet-based test 13Th edition (13Th Edition). Tangerang: Binarupa Aksara Publishing.

Gaya MLA

Sharpe, Pamela, J.. "Barron's The leader in test preparation TOEFL iBT: internet-based test 13Th edition". 13Th Edition Tangerang: Binarupa Aksara Publishing, 2012. 400_Language.