APA (7th ed.) Zitazioa
ebrary, Inc, & Villanueva, J. P. (2010). Personality traits: Classifications, effects, and changes. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Hauppauge, NY: Nova Science Publishers, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Nova Science Publishers, 2010.
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