Cita APA (7a ed.)

MAS'UD, F. (1992). Essentials of English grammar: A practical guide.--Ed.2. BPFE.

Cita Chicago Style (17a ed.)

MAS'UD, Fuad. Essentials of English Grammar: A Practical Guide.--Ed.2. Yogyakarta: BPFE, 1992.

Cita MLA (9a ed.)

MAS'UD, Fuad. Essentials of English Grammar: A Practical Guide.--Ed.2. BPFE, 1992.