APA (7th ed.) Zitazioa
ebrary, Inc, & Copeland, B. J. (2006). Colossus: The secrets of Bletchley Park's codebreaking computers. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta B. Jack Copeland. Colossus: The Secrets of Bletchley Park's Codebreaking Computers. Oxford ; New York: Oxford University Press, 2006.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta B. Jack Copeland. Colossus: The Secrets of Bletchley Park's Codebreaking Computers. Oxford University Press, 2006.
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