Παραπομπή σε μορφή APA (7η εκδ.)

Creswell, J. W. (2003). Research design: Qualitative, quantitative, and mixed method approaches (2nd ed.). Sage Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Method Approaches. 2nd ed. Thousand Oaks: Sage Publications, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Method Approaches. 2nd ed. Sage Publications, 2003.