Gaya APA

rooy, R, D. (2009). Prepare For Ielts : Skills and Strategies book two Reading and Writing . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

rooy, Rae, De. "Prepare For Ielts : Skills and Strategies book two Reading and Writing". Jakarta: Gramedia Pustaka Utama, 2009. Text.