Gaya APA
Azar, B, S.
(2004).
Fundamentals of English Gramar : Second Edition
(
Edisi 1)
.
:
Prentice Hall.
Gaya MLA
Azar, Betty, Schrampfer.
"Fundamentals of English Gramar : Second Edition ".
Edisi 1
:
Prentice Hall,
2004.
Text.