Freud, S. (1991). Civilization, society and religion: Group psychology, civilization and its discontents and other works. Penguin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreud, Sigmund. Civilization, Society and Religion: Group Psychology, Civilization and Its Discontents and Other Works. Penguin, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFreud, Sigmund. Civilization, Society and Religion: Group Psychology, Civilization and Its Discontents and Other Works. Penguin, 1991.
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