APA Citatie

Creswell John W. (1994). Research Design: Qualitative And Quantitative Approaches. Sage Publications.

Chicago Style citaat

Creswell John W. Research Design: Qualitative And Quantitative Approaches. London: Sage Publications, 1994.

MLA citatie

Creswell John W. Research Design: Qualitative And Quantitative Approaches. Sage Publications, 1994.

Let op: Deze citaties zijn niet altijd 100% accuraat.