APA (7 वां संस्करण) प्रशस्ति पत्र
Long, S. A. (2010). Natura pura: On the recovery of nature in the doctrine of grace. Fordham University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Long, Steven A. Natura Pura: On the Recovery of Nature in the Doctrine of Grace. New York: Fordham University Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Long, Steven A. Natura Pura: On the Recovery of Nature in the Doctrine of Grace. Fordham University Press, 2010.
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