Creswell, J. W. (2007). Qualitative inquiry and research design: Choosing among five approaches (Segunda edición.). Sage Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCreswell, John W. Qualitative Inquiry and Research Design: Choosing Among Five Approaches. Segunda edición. California: Sage Publications, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCreswell, John W. Qualitative Inquiry and Research Design: Choosing Among Five Approaches. Segunda edición. Sage Publications, 2007.
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