(1930). The review of metaphysics: A philosophical quarterly. Philosophy Education Soc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Review of Metaphysics: A Philosophical Quarterly. Washington: Philosophy Education Soc., 1930.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThe Review of Metaphysics: A Philosophical Quarterly. Philosophy Education Soc., 1930.
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