Gaya APA
Azar, Betty Schrampfer. (1989).
Understanding And Using English Grammar (2).
Jakarta:
Prentice Hall Regents.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding And Using English Grammar.
2
Jakarta:
Prentice Hall Regents,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding And Using English Grammar.
2
Jakarta:
Prentice Hall Regents,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding And Using English Grammar.
2
Jakarta:
Prentice Hall Regents,
1989.
Print.