Gaya APA
Azar, Betty Schrampfer. (1989).
Understanding and using english grammar .
New Jersey ::
Prentice Hall,.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and using english grammar.
New Jersey ::
Prentice Hall,,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and using english grammar.
New Jersey ::
Prentice Hall,,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and using english grammar.
New Jersey ::
Prentice Hall,,
1989.
Print.