Citazione Stile APA (7a Edizione)

Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4a. ed.). Sage.

Citazione stile Chigago Style (17a edizione)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4a. ed. Thousand Oaks: Sage, 2014.

Citatione MLA (9a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4a. ed. Sage, 2014.