Brotton, J. (2024). Four points of the compass: The unexpected history of direction (First Grove Atlantic hardcover edition.). Atlantic Monthly Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrotton, Jerry. Four Points of the Compass: The Unexpected History of Direction. First Grove Atlantic hardcover edition. New York: Atlantic Monthly Press, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrotton, Jerry. Four Points of the Compass: The Unexpected History of Direction. First Grove Atlantic hardcover edition. Atlantic Monthly Press, 2024.
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