APA-referens (7:e uppl.)
Creswell, J. W. (2002). Research Design: Qualitative, quantitative, and mixed methods approaches. Sage.
Chicago-referens (17:e uppl.)
Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. London: Sage, 2002.
MLA-referens (9:e uppl.)
Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Sage, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.