Não informado. (1984). History of Philosophy Quarterly. Bowling Green State University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. History of Philosophy Quarterly. Bowling Green, Ohio: Bowling Green State University, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. History of Philosophy Quarterly. Bowling Green State University, 1984.
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