Gaya APA
Azar, B, S. (2003).
Fundamental of English Grammar With Answer Key (3).
New York:
Addison-Wesley Longman, Inc..
Gaya MLA
Azar, Betty, Schramfer.
"Fundamental of English Grammar With Answer Key".
3
New York:
Addison-Wesley Longman, Inc.,
2003.
Text.