Gaya APA

Mas'ud, F. (2005). Essentintial of english grammar : a practical guide (3). Yogyakarta: BPFE-Yogyakarta.

Gaya MLA

Mas'ud, Fuad. "Essentintial of english grammar : a practical guide". 3 Yogyakarta: BPFE-Yogyakarta, 2005. Text.