Gaya APA

MAS\'UD, F. (1998). Essentials of English grammar : a practical guide / Fuad Mas'ud (ed.2). Yogyakarta: BPFE.

Gaya MLA

MAS\'UD, FUAD. "Essentials of English grammar : a practical guide / Fuad Mas'ud". ed.2 Yogyakarta: BPFE, 1998. .