Hawking, S. e. (2005). God created the integers: The mathematical breakthroughs that changed history. Penguin Books.
Chicago-tyylinen lähdeviittausHawking, Stephen. ed. God Created the Integers: The Mathematical Breakthroughs That Changed History. New Delhi: Penguin Books, 2005.
MLA-viiteHawking, Stephen. ed. God Created the Integers: The Mathematical Breakthroughs That Changed History. Penguin Books, 2005.
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