Creswell, J. W. (2021). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (Sixth edition, global edition.). Pearson Education Limited.
Cita Chicago (17th ed.)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition, global edition. Harlow, Essex, United Kingdom: Pearson Education Limited, 2021.
Cita MLA (9th ed.)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition, global edition. Pearson Education Limited, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.