Gaya APA
Azar, B, S. (1992).
Fundamentals Of English Grammar Second Edition (Ed. 2).
New Jersey:
Regents Prentice Hall.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamentals Of English Grammar Second Edition".
Ed. 2
New Jersey:
Regents Prentice Hall,
1992.
Text.