Gaya APA

Mas'ud, F. (1992). ESSENTIALS OF ENGLISH GRAMMAR : A Practical Guide (Ed. 2, Cet. 1). Yogyakarta: BPFE.

Gaya MLA

Mas'ud, Fuad. "ESSENTIALS OF ENGLISH GRAMMAR : A Practical Guide". Ed. 2, Cet. 1 Yogyakarta: BPFE, 1992. Text.