Gaya APA
Azar, Betty Schrampfer. (2006).
Basic english grammar third edition with answer key .
United States of America:
Longman, Inc.
Gaya Chicago
Azar, Betty Schrampfer.
Basic english grammar third edition with answer key.
United States of America:
Longman, Inc,
2006.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Basic english grammar third edition with answer key.
United States of America:
Longman, Inc,
2006.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Basic english grammar third edition with answer key.
United States of America:
Longman, Inc,
2006.
Print.