Rucker, R. (1987). Mind tools: The five levels of mathematical reality. New York: Penguin Books.
Čikaški stil citiranjaRucker, Rudy. Mind Tools: The Five Levels of Mathematical Reality. New York: Penguin Books, 1987.
MLA način citiranjaRucker, Rudy. Mind Tools: The Five Levels of Mathematical Reality. New York: Penguin Books, 1987.
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