Gaya APA

Sharpe, P, J. (2007). How To Preparethe Toefl Ibt : Test Of English As A Foreign Language Internet-Based Test, 12Th Edition . Jakarta: Binarupa Aksara.

Gaya MLA

Sharpe, Pamela, J.. "How To Preparethe Toefl Ibt : Test Of English As A Foreign Language Internet-Based Test, 12Th Edition". Jakarta: Binarupa Aksara, 2007. Text.