Azar, B. S., & Matthies, B. F. (2001). Understanding and using English grammar: Teacher's guide (3rd ed.). United States: Longman.
Chicago Style CitationAzar, Betty Schrampfer, and Barbara F. Matthies. Understanding and Using English Grammar: Teacher's Guide. 3rd ed. United States: Longman, 2001.
MLA CitationAzar, Betty Schrampfer, and Barbara F. Matthies. Understanding and Using English Grammar: Teacher's Guide. 3rd ed. United States: Longman, 2001.
Warning: These citations may not always be 100% accurate.