Gaya APA
Azar, Betty Schrampfer. (1981).
Understanding and using english grammar (Cet. 10, Ed. 2).
New Jersey:
Prentice-Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and using english grammar.
Cet. 10, Ed. 2
New Jersey:
Prentice-Hall,
1981.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and using english grammar.
Cet. 10, Ed. 2
New Jersey:
Prentice-Hall,
1981.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and using english grammar.
Cet. 10, Ed. 2
New Jersey:
Prentice-Hall,
1981.
Print.