Gaya APA
Azar, Betty Schrampfer. (2009).
Understanding and Using English Grammar (Fourth Edition).
:
Longman.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Fourth Edition
:
Longman,
2009.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Fourth Edition
:
Longman,
2009.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Fourth Edition
:
Longman,
2009.
Print.