Cita APA (7th ed.)
Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4th ed.). SAGE Publications.
Cita Chicago (17th ed.)
Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Thousand Oaks: SAGE Publications, 2014.
Cita MLA (9th ed.)
Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. SAGE Publications, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.