Pickford. Thinking with Tolstoy and Wittgenstein. Northwestern University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPickford. Thinking with Tolstoy and Wittgenstein. Northwestern University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPickford. Thinking with Tolstoy and Wittgenstein. Northwestern University Press.
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