Thomson, H. (2018). Unthinkable: An extraordinary journey through the world's strangest brains (First U.S. edition.). Ecco, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThomson, Helen. Unthinkable: An Extraordinary Journey Through the World's Strangest Brains. First U.S. edition. New York, NY: Ecco, an imprint of HarperCollinsPublishers, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThomson, Helen. Unthinkable: An Extraordinary Journey Through the World's Strangest Brains. First U.S. edition. Ecco, an imprint of HarperCollinsPublishers, 2018.
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