Gaya APA
Azar, B, S.
(1992).
Fundamental of english grammar
(
ed. 2)
.
New Jersey:
Englewood Cliffs.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamental of english grammar".
ed. 2
New Jersey:
Englewood Cliffs,
1992.
PRINTED BOOK.