Gaya APA
Azar, B, S.
(1993).
Fundamentals of English Grammar
(
Ed. 2)
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamentals of English Grammar".
Ed. 2
Jakarta:
Binarupa Aksara,
1993.
.