Gaya APA
AZAR, Betty Schrampfer. (1989).
Understanding And Using English Grammar (Kedua).
Amerika:
Pretice Hall Regents.
Gaya Chicago
AZAR, Betty Schrampfer.
Understanding And Using English Grammar.
Kedua
Amerika:
Pretice Hall Regents,
1989.
Text.
Gaya MLA
AZAR, Betty Schrampfer.
Understanding And Using English Grammar.
Kedua
Amerika:
Pretice Hall Regents,
1989.
Text.
Gaya Turabian
AZAR, Betty Schrampfer.
Understanding And Using English Grammar.
Kedua
Amerika:
Pretice Hall Regents,
1989.
Print.