Mertens, D. M. (2015). Research and evaluation in education and psychology: Integrating diversity with quantitative, qualitative, and mixed methods (4 edition.). SAGE.
Chicago-referens (17:e uppl.)Mertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 4 edition. Los Angeles: SAGE, 2015.
MLA-referens (9:e uppl.)Mertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 4 edition. SAGE, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.