Gaya APA
Azar, Betty Schrampfer. (2006).
Basic English Grammar with answer key (ed. 3).
New York:
Pearson Education Limited.
Gaya Chicago
Azar, Betty Schrampfer.
Basic English Grammar with answer key.
ed. 3
New York:
Pearson Education Limited,
2006.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Basic English Grammar with answer key.
ed. 3
New York:
Pearson Education Limited,
2006.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Basic English Grammar with answer key.
ed. 3
New York:
Pearson Education Limited,
2006.
Print.