Creswell, J. W. (2002). Research Design: Qualitative, quantitative, and mixed methods approaches. Sage.
Citación estilo ChicagoCreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. London: Sage, 2002.
Cita MLACreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Sage, 2002.
Warning: These citations may not always be 100% accurate.