Gates, B., Myhrvold, N., & Rinearson, P. (1996). The road ahead: Completely revised and up-to-date. Penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGates, Bill, Nathan Myhrvold, और Peter Rinearson. The Road Ahead: Completely Revised and Up-to-date. London: Penguin Books, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGates, Bill, et al. The Road Ahead: Completely Revised and Up-to-date. Penguin Books, 1996.
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