APA Citation

Azar, B. S. (2009). Understanding and using English grammar: Answer key (4th ed.). New York: Pearson Education, Inc..

Chicago Style Citation

Azar, Betty S. Understanding and Using English Grammar: Answer Key. 4th ed. New York: Pearson Education, Inc., 2009.

MLA Citation

Azar, Betty S. Understanding and Using English Grammar: Answer Key. 4th ed. New York: Pearson Education, Inc., 2009.

Warning: These citations may not always be 100% accurate.