Gaya APA

AZAR, B, S. (1993). Understanding and using English grammar (Ed.2, Cet.1). Jakarta: Bina Rupa Aksara.

Gaya MLA

AZAR, Betty, Schrampfer. "Understanding and using English grammar". Ed.2, Cet.1 Jakarta: Bina Rupa Aksara, 1993. Text.