Cassell, E. J. (1991). The nature of suffering: And the goals of medicine. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCassell, Eric J. The Nature of Suffering: And the Goals of Medicine. New York: Oxford University Press, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCassell, Eric J. The Nature of Suffering: And the Goals of Medicine. Oxford University Press, 1991.
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