Duncan, L. (2010). Don't look behind you (Revised paperback edition.). Little, Brown and Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDuncan, Lois. Don't Look Behind You. Revised paperback edition. New York: Little, Brown and Co., 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDuncan, Lois. Don't Look Behind You. Revised paperback edition. Little, Brown and Co., 2010.
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