Cita APA (7th ed.)
Creswell, J. W., & Creswell, J. D. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches (5a edición.). Sage.
Cita Chicago (17th ed.)
Creswell, John W., i J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 5a edición. Los Angeles, EUA: Sage.
Cita MLA (9th ed.)
Creswell, John W., i J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 5a edición. Sage.
Atenció: Aquestes cites poden no estar 100% correctes.