Sylwanowicz, M. (1996). Contingent Causality and the Foundations of Duns Scotus' Metaphysics: By Michael Sylwanowicz. Brill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSylwanowicz, Michael. Contingent Causality and the Foundations of Duns Scotus' Metaphysics: By Michael Sylwanowicz. Leiden [u.a.]: Brill, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSylwanowicz, Michael. Contingent Causality and the Foundations of Duns Scotus' Metaphysics: By Michael Sylwanowicz. Brill, 1996.
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