APA Style
Azar, Betty. (1981).
Understanding & using English grammar (_).
:
Prentic Hall.
Chicago Style
Azar, Betty.
Understanding & using English grammar.
_
:
Prentic Hall,
1981.
.
MLA Style
Azar, Betty.
Understanding & using English grammar.
_
:
Prentic Hall,
1981.
.
Turabian Style
Azar, Betty.
Understanding & using English grammar.
_
:
Prentic Hall,
1981.
.