ZIMBARDO, P. G. (1980). Essentials of psychology and life.-- Ed.10. Scott.
Lua i Stíl Chicago (17ú heag.)ZIMBARDO, Philip G. Essentials of Psychology and Life.-- Ed.10. Glenview: Scott, 1980.
Lua MLA (9ú heag.)ZIMBARDO, Philip G. Essentials of Psychology and Life.-- Ed.10. Scott, 1980.
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