Buckley, J., Jr. (2018). Great explorers (First American edition.). DK, a division of Penguin Random House LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuckley, James, Jr. Great Explorers. First American edition. New York, New York: DK, a division of Penguin Random House LLC, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBuckley, James, Jr. Great Explorers. First American edition. DK, a division of Penguin Random House LLC, 2018.
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