Becker, C. L. (1932). The heavenly city of the eighteenth century philosophers. Yale university press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBecker, Carl L. The Heavenly City of the Eighteenth Century Philosophers. New Haven: Yale university press, 1932.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBecker, Carl L. The Heavenly City of the Eighteenth Century Philosophers. Yale university press, 1932.
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