Citazione Stile APA (7a Edizione)

Creswell, J. W. (2013). Research Design: Qualitative , Quantitative & Mixed Methods Approaches (3rd ed.). sage.

Citazione stile Chigago Style (17a edizione)

Creswell, John W. Research Design: Qualitative , Quantitative & Mixed Methods Approaches. 3rd ed. New Delhi: sage, 2013.

Citatione MLA (9a ed.)

Creswell, John W. Research Design: Qualitative , Quantitative & Mixed Methods Approaches. 3rd ed. sage, 2013.