Creswell, J. W., & Creswell, J. D. (2023). Research design: Qualitative, quantitative, and mixed methods approaches (Sixth edition.). SAGE.
Citace podle Chicago (17th ed.)Creswell, John W., a J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Sixth edition. Los Angeles: SAGE, 2023.
Citace podle MLA (9th ed.)Creswell, John W., a J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Sixth edition. SAGE, 2023.
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