APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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