Citazione Stile APA (7a Edizione)

Creswell, J. W. (2003). Research design: Qualitative, quantitative, and mixed methods approaches (2nd ed.). Sage.

Citazione stile Chigago Style (17a edizione)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 2nd ed. Thousand Oaks, Calif: Sage, 2003.

Citatione MLA (9a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 2nd ed. Sage, 2003.