Creswell, J. W. (2012). Educational research: Planning, conducting, and evaluating quantitative and qualitative research. Pearson/Merrill Prentice Hall.
Čikaški stil citiranja (17. izdanje)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2012.
MLA način citiranja (9. izdanje)Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Pearson/Merrill Prentice Hall, 2012.
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