Wilson, I. (1991). The Columbus myth: Did men of Bristol reach America before Columbus? Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilson, Ian. The Columbus Myth: Did Men of Bristol Reach America Before Columbus? London: Simon & Schuster, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilson, Ian. The Columbus Myth: Did Men of Bristol Reach America Before Columbus? Simon & Schuster, 1991.
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