Παραπομπή σε μορφή APA (7η εκδ.)

Creswell, J. W. (2009). Research design: Qualitative, quantitative, and mixed methods approaches (Third edition.). Sage Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Third edition. Thousand Oaks, California: Sage Publications, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. Third edition. Sage Publications, 2009.