Gaya APA

Betsis, A., Mamas, L. (2014). Succeed In The Toeic Test volume 2 (Cet.1). Jakarta: Erlangga.

Gaya MLA

Betsis, Andrew., Mamas, Lawrence. "Succeed In The Toeic Test volume 2". Cet.1 Jakarta: Erlangga, 2014. Text.