Gaya APA
Azar, Betty Schrampfer. (1984).
Basic English Grammar .
USA:
Prentice-Hall,inc.
Gaya Chicago
Azar, Betty Schrampfer.
Basic English Grammar.
USA:
Prentice-Hall,inc,
1984.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Basic English Grammar.
USA:
Prentice-Hall,inc,
1984.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Basic English Grammar.
USA:
Prentice-Hall,inc,
1984.
Print.