Creswell, J. W. (2015). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (5ª edición.). Pearson.
Čikaški stil citiranja (17. izdanje)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. 5ª edición. Upper Saddle River, NJ: Pearson, 2015.
MLA način citiranja (9. izdanje)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. 5ª edición. Pearson, 2015.
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