Lopez, S. J., & Snyder, C. R. (2003). Positive psychological assessment: A handbook of models and measures. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)Lopez, Shane J., agus C. R. Snyder. Positive Psychological Assessment: A Handbook of Models and Measures. Washington, DC: American Psychological Association, 2003.
Lua MLA (9ú heag.)Lopez, Shane J., agus C. R. Snyder. Positive Psychological Assessment: A Handbook of Models and Measures. American Psychological Association, 2003.
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