APA Style
Azar, Betty Schrampfer. (1989).
Understanding and Using English Grammar (Kedua).
New Jersey:
Prentice Hall Regent.
Chicago Style
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Kedua
New Jersey:
Prentice Hall Regent,
1989.
Text.
MLA Style
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Kedua
New Jersey:
Prentice Hall Regent,
1989.
Text.
Turabian Style
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
Kedua
New Jersey:
Prentice Hall Regent,
1989.
Print.