Gaya APA

Azar, B, S. (1989). Understanding and using English grammar. Second Edition / Betty Schrampfer Azar (Ed.ke-2, Cet.4). New Jersey: Prentice Hall Regents.

Gaya MLA

Azar, Betty, Schrampfer. "Understanding and using English grammar. Second Edition / Betty Schrampfer Azar". Ed.ke-2, Cet.4 New Jersey: Prentice Hall Regents, 1989. Textbook.