Gaya APA
Azar, Betty Schrampfer. (1993).
Understanding and Using English Grammar (Cet. 4.--).
New Jersey:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Cet. 4.--
New Jersey:
Prentice Hall,
1993.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Cet. 4.--
New Jersey:
Prentice Hall,
1993.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Cet. 4.--
New Jersey:
Prentice Hall,
1993.
Print.