APA Style
a practical english grammar. (2007).
:
Prentice Hall.
Chicago Style
a practical english grammar.
4th ed.
:
Prentice Hall,
2007.
Text.
MLA Style
a practical english grammar.
4th ed.
:
Prentice Hall,
2007.
Text.
Turabian Style
a practical english grammar.
:
Prentice Hall,
2007.
Print.