APA Style
AZAR, Betty S., HAGEN, Stacy A.. (2009).
Understanding and Using English Grammar: with Answer Key (4).
New York:
Pearson.
Chicago Style
AZAR, Betty S., HAGEN, Stacy A..
Understanding and Using English Grammar: with Answer Key.
4
New York:
Pearson,
2009.
Text.
MLA Style
AZAR, Betty S., HAGEN, Stacy A..
Understanding and Using English Grammar: with Answer Key.
4
New York:
Pearson,
2009.
Text.
Turabian Style
AZAR, Betty S., HAGEN, Stacy A..
Understanding and Using English Grammar: with Answer Key.
4
New York:
Pearson,
2009.
Print.