APA (7e ed.) Bronvermelding

Creswell, J. W., & Creswell, J. D. (2023). Research design: Qualitative, quantitative, and mixed methods approaches (Sixth edition.). SAGE.

Chicago (17e ed.) Bronvermelding

Creswell, John W., en J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Sixth edition. Los Angeles: SAGE, 2023.

MLA (9e ed.) Bronvermelding

Creswell, John W., en J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Sixth edition. SAGE, 2023.