Gaya APA
Azar, Betty Schrampfer. (1999).
Understanding and Using English Grammar, 3rd Edition (3).
United States of America:
Pearson Longman.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar, 3rd Edition.
3
United States of America:
Pearson Longman,
1999.
.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar, 3rd Edition.
3
United States of America:
Pearson Longman,
1999.
.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar, 3rd Edition.
3
United States of America:
Pearson Longman,
1999.
.