Gaya APA
Azar, Betty Schrampfer. (1989).
Understanding And Using English Grammar (2nd. Ed).
New Jersey:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding And Using English Grammar.
2nd. Ed
New Jersey:
Prentice Hall,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding And Using English Grammar.
2nd. Ed
New Jersey:
Prentice Hall,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding And Using English Grammar.
2nd. Ed
New Jersey:
Prentice Hall,
1989.
Print.