Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods approaches (4th ed.). Sage Publications.
Stile di citazione ChicagoCreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Los Angeles: Sage Publications, 2014.
Citazione MLACreswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4th ed. Sage Publications, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.