Ullman, E. (2017). Life in code: A personal history of technology (First edition.). MCD, Farrar, Straus and Giroux.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUllman, Ellen. Life in Code: A Personal History of Technology. First edition. New York: MCD, Farrar, Straus and Giroux, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUllman, Ellen. Life in Code: A Personal History of Technology. First edition. MCD, Farrar, Straus and Giroux, 2017.
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