Gaya APA
AZAR, B, S., Hagen, S, A.
(2006).
Basic English Grammar Third Edition
(
1)
.
New York:
Pearson Longman.
Gaya MLA
AZAR, Betty, Schrampfer., Hagen, Stacy, A..
"Basic English Grammar Third Edition".
1
New York:
Pearson Longman,
2006.
Bahasa.