Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4th ed.). Sage Publications.
芝加哥风格引文Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Los Angeles, CA: Sage Publications, 2014.
MLA引文Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Sage Publications, 2014.
警告：这些引文格式不一定是100％准确.