Baumeister, R. F. The Holocaust and the Four Roots of Evil. Understanding genocide : the social psychology of the Holocaust.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaumeister, Roy F. "The Holocaust and the Four Roots of Evil." Understanding Genocide : The Social Psychology of the Holocaust .
एमएलए (8वां संस्करण) प्रशस्ति पत्रBaumeister, Roy F. "The Holocaust and the Four Roots of Evil." Understanding Genocide : The Social Psychology of the Holocaust, .
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