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