Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4th edition.). SAGE Publications.
Citación estilo ChicagoCreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th edition. Thousand Oaks: SAGE Publications, 2014.
Cita MLACreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th edition. SAGE Publications, 2014.
Warning: These citations may not always be 100% accurate.