Creswell, J. W. (2019). Educational research: Planning, conducting, and evaluating quantitative and qualitative research. Pearson.
استشهاد بنمط شيكاغوCreswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Pearson, 2019.
MLA استشهادCreswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Pearson, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.