Feldman, R. S., PSYCHOLOGY, & PSYCHOLOGY. (2011). Essentials of Understanding Psychology. MC GRAW HILL.
Lua i Stíl Chicago (17ú heag.)Feldman, Robert S., PSYCHOLOGY, agus PSYCHOLOGY. Essentials of Understanding Psychology. MC GRAW HILL, 2011.
Lua MLA (8ú heag.)Feldman, Robert S., et al. Essentials of Understanding Psychology. MC GRAW HILL, 2011.
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