Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Engler, B. (1995). Personality theories: An introduction (4th ed.). Houghton Mifflin.
Chicago Style (17th ed.) Zitazioa
Engler, Barbara. Personality Theories: An Introduction. 4th ed. Boston: Houghton Mifflin, 1995.
MLA (9th ed.) Zitazioa
Engler, Barbara. Personality Theories: An Introduction. 4th ed. Houghton Mifflin, 1995.
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