Cofer. The Cruel Country. University of Georgia Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCofer. The Cruel Country. University of Georgia Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCofer. The Cruel Country. University of Georgia Press.
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