Doob, L. W. (1960). Becoming more civilized: A psychological exploration. Yale university Press.
Čikaški stil citiranja (17. izdanje)Doob, Leonard William. Becoming More Civilized: A Psychological Exploration. New Haven: Yale university Press, 1960.
MLA način citiranja (9. izdanje)Doob, Leonard William. Becoming More Civilized: A Psychological Exploration. Yale university Press, 1960.
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