Harrington, K. (2015). Courage for beginners (First paperback edition.). Little, Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarrington, Karen. Courage for Beginners. First paperback edition. New York: Little, Brown and Company, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarrington, Karen. Courage for Beginners. First paperback edition. Little, Brown and Company, 2015.
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