Citazione Stile APA (7a Edizione)

Creswell, J. W. (2009). Research design: Qualitative, quantitative, and mixed methods approaches (3rd ed.). Sage Publications.

Citazione stile Chigago Style (17a edizione)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd ed. Thousand Oaks, Calif.: Sage Publications, 2009.

Citatione MLA (8a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd ed. Sage Publications, 2009.