Gaya APA

U., A, W. (2016). Pintu surga buat hamzah (Easy English Conversation At School : Lancar bica). Solo: Tiga Ananda.

Gaya MLA

U., Aan, Wulandari. "Pintu surga buat hamzah". Easy English Conversation At School : Lancar bica Solo: Tiga Ananda, 2016. Text.