Leaman, O. (1998). The future of philosophy: Towards the twenty-first century. Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeaman, Oliver. The Future of Philosophy: Towards the Twenty-first Century. London ; New York: Routledge, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLeaman, Oliver. The Future of Philosophy: Towards the Twenty-first Century. Routledge, 1998.
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