Gaya APA
Azar, Betty Schrampfer. (1981).
Understanding and using English grammar .
New Jersey:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and using English grammar.
New Jersey:
Prentice Hall,
1981.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and using English grammar.
New Jersey:
Prentice Hall,
1981.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and using English grammar.
New Jersey:
Prentice Hall,
1981.
Print.