ebrary, Inc, & Villanueva, J. P. (2010). Personality traits: Classifications, effects, and changes. Nova Science Publishers.
Citace podle Chicago (17th ed.)ebrary, Inc, a John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Hauppauge, NY: Nova Science Publishers, 2010.
Citace podle MLA (9th ed.)ebrary, Inc, a John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Nova Science Publishers, 2010.
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