APA Style
Azar, Betty S., Hagen, Stacy A.. (2009).
Understanding and Using English Grammar (4).
New York:
Pearson Longman.
Chicago Style
Azar, Betty S., Hagen, Stacy A..
Understanding and Using English Grammar.
4
New York:
Pearson Longman,
2009.
Text.
MLA Style
Azar, Betty S., Hagen, Stacy A..
Understanding and Using English Grammar.
4
New York:
Pearson Longman,
2009.
Text.
Turabian Style
Azar, Betty S., Hagen, Stacy A..
Understanding and Using English Grammar.
4
New York:
Pearson Longman,
2009.
Print.