APA-referens (7:e uppl.)

Mertens, D. M. (2005). Research and evaluation in education and psychology: Integrating diversity with quantitative, qualitative, and mixed methods (2nd ed.). Sage Publications.

Chicago-referens (17:e uppl.)

Mertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 2nd ed. Thousand Oaks, Calif.: Sage Publications, 2005.

MLA-referens (8:e uppl.)

Mertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 2nd ed. Sage Publications, 2005.