Gaya APA
Azar, Betty Schrampfer, FREESE, Ros Herion. (1989).
Understanding and using english grammar (2 nd.Ed).
New Jersey:
Pretentice Hall Regents.
Gaya Chicago
Azar, Betty Schrampfer, FREESE, Ros Herion.
Understanding and using english grammar.
2 nd.Ed
New Jersey:
Pretentice Hall Regents,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer, FREESE, Ros Herion.
Understanding and using english grammar.
2 nd.Ed
New Jersey:
Pretentice Hall Regents,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer, FREESE, Ros Herion.
Understanding and using english grammar.
2 nd.Ed
New Jersey:
Pretentice Hall Regents,
1989.
Print.