Gaya APA

PWD, M, A. (2017). USING GOOD ENGLISH FOR TOEFL PREPARATION (1). Yogyakarta: C.V ANDI OFFSET.

Gaya MLA

PWD, M.ZAINUL, ARIFIN. "USING GOOD ENGLISH FOR TOEFL PREPARATION". 1 Yogyakarta: C.V ANDI OFFSET, 2017. Text.