Baum, R. J. (1973). Philosophy and mathematics, from Plato to the present. Freeman, Cooper.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaum, Robert J. Philosophy and Mathematics, from Plato to the Present. San Francisco: Freeman, Cooper, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaum, Robert J. Philosophy and Mathematics, from Plato to the Present. Freeman, Cooper, 1973.
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