Gaya APA

WEBSTER, J., YUNITA, S. (2013). Easy to Master English Conversation (Cet.1). Surabaya: Media Cerdas.

Gaya MLA

WEBSTER, Jhonatan., YUNITA, Sari. "Easy to Master English Conversation". Cet.1 Surabaya: Media Cerdas, 2013. Text.