Template:Cite isbn/978069116472
Andrew Hodges; Douglas Hofstadter. Alan Turing: The Enigma: The Book That Inspired the Film "The Imitation Game". Princeton University Press. 2014-11-10: 768 pages. ISBN 978-069-116-472-4 （英语）. Paperback
Andrew Hodges; Douglas Hofstadter. Alan Turing: The Enigma: The Book That Inspired the Film "The Imitation Game". Princeton University Press. 2014-11-10: 768 pages. ISBN 978-069-116-472-4 （英语）. Paperback