Styl cytowania APA

Mertens, D. M. (2015). Research and evaluation in education and psychology: Integrating diversity with quantitative, qualitative, and mixed methods (4th ed.). Sage.

Styl cytowania Chicago

Mertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 4th ed. California: Sage, 2015.

Styl cytowania MLA

Mertens, Donna M. Research and Evaluation in Education and Psychology: Integrating Diversity with Quantitative, Qualitative, and Mixed Methods. 4th ed. Sage, 2015.