Gaya APA
Azar, Betty Schrampfer. (1999).
Understanding And using English Grammar .
:
Longman.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding And using English Grammar.
:
Longman,
1999.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding And using English Grammar.
:
Longman,
1999.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding And using English Grammar.
:
Longman,
1999.
Print.