APA Zitierstil

Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches. Thousand Oaks: SAGE Publications.

Chicago Zitierstil

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Thousand Oaks: SAGE Publications, 2014.

MLA Zitierstil

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Thousand Oaks: SAGE Publications, 2014.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.