Gaya APA
Azar, Betty Schrampfer. (1996).
Basic english grammar second edition .
United States of America:
Longman, Inc.
Gaya Chicago
Azar, Betty Schrampfer.
Basic english grammar second edition.
United States of America:
Longman, Inc,
1996.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Basic english grammar second edition.
United States of America:
Longman, Inc,
1996.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Basic english grammar second edition.
United States of America:
Longman, Inc,
1996.
Print.