Creswell, J. W. (2015). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (5ª edición.). Pearson.
Citazione stile Chigago Style (17a edizione)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. 5ª edición. Upper Saddle River, NJ: Pearson, 2015.
Citatione MLA (9a ed.)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. 5ª edición. Pearson, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.