Azar, B. S. (2002). Understanding and Using Grammar (With Answer Key). Longman.
Chicago Style CitationAzar, Betty Schrampfer. Understanding and Using Grammar (With Answer Key). Longman, 2002.
MLA CitationAzar, Betty Schrampfer. Understanding and Using Grammar (With Answer Key). Longman, 2002.
Warning: These citations may not always be 100% accurate.