APA Citation

 Azar, B. S. (2017).  Understanding and using English grammar.  Pearson Education.

Trích dẫn kiểu Chicago

 Azar, Betty Schrampfer.  Understanding and Using English Grammar.  Pearson Education, 2017.

MLA Citation

 Azar, Betty Schrampfer.  Understanding and Using English Grammar.  Pearson Education, 2017.

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