Gaya APA
Azar, Betty Schrampfer. (1981).
Understanding and Using English Grammar .
USA:
Prentice-Hall,inc.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
USA:
Prentice-Hall,inc,
1981.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
USA:
Prentice-Hall,inc,
1981.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar.
USA:
Prentice-Hall,inc,
1981.
Print.