Creswell, J. W. (2021). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (Sixth edition.). Pearson Education Limited.
Citazione stile Chigago Style (17a edizione)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition. Harlow, England: Pearson Education Limited, 2021.
Citatione MLA (8a ed.)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition. Pearson Education Limited, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.