Citazione Stile APA (7a Edizione)

Creswell, J. W., & Creswell, J. D. Research design: Qualitative, quantitative, and mixed methods approaches (6th ed.). SAGE Publications.

Citazione stile Chigago Style (17a edizione)

Creswell, John W., e J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 6th ed. Los Angeles: SAGE Publications.

Citatione MLA (9a ed.)

Creswell, John W., e J. David Creswell. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 6th ed. SAGE Publications.