Dyfyniad APA

Lopez, S., Pedrotti, J. T., & Snyder, C. R. (2015). Positive psychology: The scientific and practical explorations of human strengths (Third edition.). SAGE Publications, Incorporated.

Dyfyniad Arddull Chicago

Lopez, Shane, Jennifer Teramoto Pedrotti, and C. R. Snyder. Positive Psychology: The Scientific and Practical Explorations of Human Strengths. Third edition. Los Angeles: SAGE Publications, Incorporated, 2015.

Dyfyniad MLA

Lopez, Shane, et al. Positive Psychology: The Scientific and Practical Explorations of Human Strengths. Third edition. SAGE Publications, Incorporated, 2015.

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