Gaya APA

Sharpe, P, J. (2008). Practice exercises for the toefl : test of english AS a foreign language (6. Cet.1). Tangerang: Binarupa Aksara Publishing, Co..

Gaya MLA

Sharpe, Pamela, J. "Practice exercises for the toefl : test of english AS a foreign language". 6. Cet.1 Tangerang: Binarupa Aksara Publishing, Co., 2008. Text.