Engler, B. (1995). Personality theories: An introduction (4th ed.). Houghton Mifflin.
Čikaški stil citiranja (17. izdanje)Engler, Barbara. Personality Theories: An Introduction. 4th ed. Boston: Houghton Mifflin, 1995.
MLA način citiranja (9. izdanje)Engler, Barbara. Personality Theories: An Introduction. 4th ed. Houghton Mifflin, 1995.
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