Cita APA (7a ed.)

AZAR, B. S. (2001). Basic english grammar vol. A.-- Ed.2. Prenhallindo.

Cita Chicago Style (17a ed.)

AZAR, Betty Schrampfer. Basic English Grammar Vol. A.-- Ed.2. Jakarta: Prenhallindo, 2001.

Cita MLA (9a ed.)

AZAR, Betty Schrampfer. Basic English Grammar Vol. A.-- Ed.2. Prenhallindo, 2001.