Cita APA (7a ed.)

Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4th ed.). Sage Publications.

Cita Chicago Style (17a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Los Angeles, CA: Sage Publications, 2014.

Cita MLA (9a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Sage Publications, 2014.