Sagan, C. (1980). Broca's brain: Reflections on the romance of science (First Ballantine Books edition.). Ballantine Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSagan, Carl. Broca's Brain: Reflections on the Romance of Science. First Ballantine Books edition. New York: Ballantine Books, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSagan, Carl. Broca's Brain: Reflections on the Romance of Science. First Ballantine Books edition. Ballantine Books, 1980.
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