Gaya APA
AZAR, B, S., HAGEN, S, A.
(2006).
Basic English Grammar
(
3rd.ed)
.
Pearson Education:
New York.
Gaya MLA
AZAR, Betty, Schrampfer., HAGEN, Stacy, A..
"Basic English Grammar".
3rd.ed
Pearson Education:
New York,
2006.
Teks.