Gaya APA

AZAR, B, S. (1992). Fundamentals of english grammar / Betty Schrampfer Azar . New Jersey: Regent/Prentice Hall.

Gaya MLA

AZAR, Betty, Schrampfer. "Fundamentals of english grammar / Betty Schrampfer Azar". New Jersey: Regent/Prentice Hall, 1992. Text.