Gaya APA

Sharpe, P. (2007). How to prepare for the toefl IBT : test of english as a foreign language internet-based test (12. Cet.1). Ciputat: Binarupa Aksara Publishing. Co..

Gaya MLA

Sharpe, Pamela. "How to prepare for the toefl IBT : test of english as a foreign language internet-based test". 12. Cet.1 Ciputat: Binarupa Aksara Publishing. Co., 2007. Text.