Symington, P. (2010). On determining what there is: The identity of ontological categories in Aquinas, Scotus and Lowe. Ontos Verlag.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSymington, Paul. On Determining What There Is: The Identity of Ontological Categories in Aquinas, Scotus and Lowe. Frankfurt: Ontos Verlag, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSymington, Paul. On Determining What There Is: The Identity of Ontological Categories in Aquinas, Scotus and Lowe. Ontos Verlag, 2010.
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