APA Citation

 Creswell, J. W. (2014).  Research design: Qualitative, quantitative, and mixed methods approaches.  SAGE Publications.

Trích dẫn kiểu Chicago

 Creswell, John W.  Research Design: Qualitative, Quantitative, and Mixed Methods Approaches.  SAGE Publications, 2014.

MLA Citation

 Creswell, John W.  Research Design: Qualitative, Quantitative, and Mixed Methods Approaches.  SAGE Publications, 2014.

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