Gaya APA
Azar, Betty Schampfer. ().
Understanding english grammar (Second edition).
Jakarta:
Binarupa Aksara.
Gaya Chicago
Azar, Betty Schampfer.
Understanding english grammar.
Second edition
Jakarta:
Binarupa Aksara,
.
Text.
Gaya MLA
Azar, Betty Schampfer.
Understanding english grammar.
Second edition
Jakarta:
Binarupa Aksara,
.
Text.
Gaya Turabian
Azar, Betty Schampfer.
Understanding english grammar.
Second edition
Jakarta:
Binarupa Aksara,
.
Print.