Gaya APA
Azar, B, S.
(1992).
Fundamentals of English grammar
(
2nd ed.)
.
Englewood Cliffs, NJ.:
Prentice Hall.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamentals of English grammar".
2nd ed.
Englewood Cliffs, NJ.:
Prentice Hall,
1992.
Text.