Gaya APA

Widjaja, D, G. (2016). Complete English Grammar And The Exercises (Cet. 13). Salatiga: Bhuana Ilmu Populer.

Gaya MLA

Widjaja, Dra., Grace. "Complete English Grammar And The Exercises". Cet. 13 Salatiga: Bhuana Ilmu Populer, 2016. Text.