Gaya APA

Widjaja, G. (2013). Complete English Grammar and The Exercises : Part I and II (26 Chapters) and (35 Chapters) With Clear Explanations, Examples and Exercises (cetakan 8). Jakarta: 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 and Exercises". cetakan 8 Jakarta: Bhuana Ilmu Populer, 2013. Text.