Bercken. On Being and Cognition. Fordham University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBercken. On Being and Cognition. Fordham University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBercken. On Being and Cognition. Fordham University Press.
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