APA (7 वां संस्करण) प्रशस्ति पत्र
Ryder, J. (2013). The things in heaven and earth: An essay in pragmatic naturalism. Fordham University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Ryder, John. The Things in Heaven and Earth: An Essay in Pragmatic Naturalism. New York: Fordham University Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Ryder, John. The Things in Heaven and Earth: An Essay in Pragmatic Naturalism. Fordham University Press, 2013.
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