Hodges, A., & Hofstadter, D. R. (2014). Alan Turing: The enigma : the book that inspired the film The Imitation Game. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHodges, Andrew, और Douglas R. Hofstadter. Alan Turing: The Enigma : The Book That Inspired the Film The Imitation Game. Princeton, New Jersey: Princeton University Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHodges, Andrew, और Douglas R. Hofstadter. Alan Turing: The Enigma : The Book That Inspired the Film The Imitation Game. Princeton University Press, 2014.
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