Creswell,John W. (2009). Research Design: Qualitative, Quantitative, and Mixed Methods Approaches (3rd.). Sage.
Chicago Style (17th ed.) CitationCreswell,John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd. New Delhi: Sage, 2009.
MLA引文Creswell,John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd. Sage, 2009.
警告:這些引文格式不一定是100%准確.