APA Style
Azar, Betty S.. (1989).
Understanding & using english grammar (2nd ed).
:
Prentice Hall.
Chicago Style
Azar, Betty S..
Understanding & using english grammar.
2nd ed
:
Prentice Hall,
1989.
.
MLA Style
Azar, Betty S..
Understanding & using english grammar.
2nd ed
:
Prentice Hall,
1989.
.
Turabian Style
Azar, Betty S..
Understanding & using english grammar.
2nd ed
:
Prentice Hall,
1989.
.