Gaya APA
Azar, Betty Schrampfer. (1999).
Understanding and Using English Grammar (ed.3).
White Plains:
Pearson education.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
ed.3
White Plains:
Pearson education,
1999.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
ed.3
White Plains:
Pearson education,
1999.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
ed.3
White Plains:
Pearson education,
1999.
Print.