Mertens, D. M. (2005). Research and evaluation in education and psychology: Integrating diversity with quantitative, qualitative, and mixed methods (2ed ed.). Sage.
Chicago-tyylinen lähdeviittausMertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 2ed ed. New Delhi: Sage, 2005.
MLA-viiteMertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 2ed ed. Sage, 2005.
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