Gaya APA
Azar, Betty Schrampfer. (1993).
Understanding and using english grammar .
Jakarta:
Binarupa Aksara.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and using english grammar.
Jakarta:
Binarupa Aksara,
1993.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and using english grammar.
Jakarta:
Binarupa Aksara,
1993.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and using english grammar.
Jakarta:
Binarupa Aksara,
1993.
Print.