Lightman, A. P. (2021). Probable impossibilities: Musings on beginnings and endings (First edition.). Pantheon Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLightman, Alan P. Probable Impossibilities: Musings on Beginnings and Endings. First edition. New York: Pantheon Books, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLightman, Alan P. Probable Impossibilities: Musings on Beginnings and Endings. First edition. Pantheon Books, 2021.
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