APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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