Gaya APA
Azar, B, S.
(1985).
Fundamentals of english grammar
(
Cet. 10)
.
New Jersey:
Prentice-Hall.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamentals of english grammar".
Cet. 10
New Jersey:
Prentice-Hall,
1985.
Text.