APA Citation

Betty Schrampfer Azar. (1999). Understanding and using English Grammar. New York: Longman.

Trích dẫn kiểu Chicago

Betty Schrampfer Azar. Understanding and Using English Grammar. New York: Longman, 1999.

MLA Citation

Betty Schrampfer Azar. Understanding and Using English Grammar. New York: Longman, 1999.

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