APA Zitierstil

 Creswell, J. W. (2019).  Educational research: Planning, conducting, and evaluating quantitative and qualitative research.  Pearson.

Chicago Zitierstil

 Creswell, John W.  Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research.  Pearson, 2019.

MLA Zitierstil

 Creswell, John W.  Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research.  Pearson, 2019.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.