Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4η εκδ.). SAGE Publications.
Chicago Style (17th ed.) CitationCreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4η εκδ. Thousand Oaks: SAGE Publications, 2014.
MLA (9th ed.) CitationCreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4η εκδ. SAGE Publications, 2014.
Warning: These citations may not always be 100% accurate.