Gaya APA
Azar, Betty Schrampfer. (1989).
Understanding And Use English Grammar (ed. 2).
Amerika:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding And Use English Grammar.
ed. 2
Amerika:
Prentice Hall,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding And Use English Grammar.
ed. 2
Amerika:
Prentice Hall,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding And Use English Grammar.
ed. 2
Amerika:
Prentice Hall,
1989.
Print.