Gaya APA

Widjaja, G. (2016). Complete english grammar and the exercises : part I and II ( 26 Chapters ) and ( 35 Chapters ) with clear explanations, examples dan exercises . : Bhuana Ilmu Populer.

Gaya MLA

Widjaja, Grace. "Complete english grammar and the exercises : part I and II ( 26 Chapters ) and ( 35 Chapters ) with clear explanations, examples dan exercises". : Bhuana Ilmu Populer, 2016. Text.