Johnson, C. (2015). Harold at the North Pole: A Christmas journey with the purple crayon (Revised edition.). Harper, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Crockett. Harold at the North Pole: A Christmas Journey with the Purple Crayon. Revised edition. New York: Harper, an imprint of HarperCollinsPublishers, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnson, Crockett. Harold at the North Pole: A Christmas Journey with the Purple Crayon. Revised edition. Harper, an imprint of HarperCollinsPublishers, 2015.
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