Gaya APA

UTS, I., Rooy, R, D. (2010). Prepare for IELTS skills and strategies : book one listening and speaking (Indonesian Ed, Cet. 2). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

UTS, Insearch., Rooy, Rae, De. "Prepare for IELTS skills and strategies : book one listening and speaking". Indonesian Ed, Cet. 2 Jakarta: Gramedia Pustaka Utama, 2010. Text.