Gaya APA

Rogers, T., Safarilla, L, A. (2011). Foundation English : Course Book 4 (Cet. 1.--). S.n.: Fajar Baru.

Gaya MLA

Rogers, Tony., Safarilla, Lia, Amalia. "Foundation English : Course Book 4". Cet. 1.-- S.n.: Fajar Baru, 2011. Text.