Barrow, J. D. (1999). Impossibility: The limits of science and the science of limits. Vintage.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarrow, John D. Impossibility: The Limits of Science and the Science of Limits. London: Vintage, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarrow, John D. Impossibility: The Limits of Science and the Science of Limits. Vintage, 1999.
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