Zimring, F. E. (1991). The scale of imprisonment. University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZimring, Franklin E. The Scale of Imprisonment. Chicago: University of Chicago Press, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZimring, Franklin E. The Scale of Imprisonment. University of Chicago Press, 1991.
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