APA Citation

Azar, B. S., & Betty Schrampfer Azar; Donald A. Azar. (2000). Understanding and using english grammar: Workbook. Hà Nội: Thanh niên.

Chicago Style Citation

Azar, Betty Schrampfer, and Betty Schrampfer Azar; Donald A. Azar. Understanding and Using English Grammar: Workbook. Hà Nội: Thanh niên, 2000.

MLA Citation

Azar, Betty Schrampfer, and Betty Schrampfer Azar; Donald A. Azar. Understanding and Using English Grammar: Workbook. Hà Nội: Thanh niên, 2000.

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