Gaya APA

Pamela, J. (2013). Kunci sukses toefl ibt : test of english as a foreign language internet-based test . Tangerang: Paperplus Publisher.

Gaya MLA

Pamela, J.S.. "Kunci sukses toefl ibt : test of english as a foreign language internet-based test". Tangerang: Paperplus Publisher, 2013. Text.