Gaya APA
Azar, B, S.
(1992).
Fundamentals of English Grammar second edition
(
cet. 2)
.
New Jersey:
Prentice Hall.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamentals of English Grammar second edition".
cet. 2
New Jersey:
Prentice Hall,
1992.
Text.