APA (7 ম সংস্করণ) উদ্ধৃতি

Creswell,John W. (2011). Research design: Qualitative, quantitative, and mixed methods approaches (3rd.). Sage.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Creswell,John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd. New Delhi: Sage, 2011.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Creswell,John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd. Sage, 2011.