Beck, J. (2008). Combinatorial games: Tic-tac-toe theory. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Beck, József. Combinatorial Games: Tic-tac-toe Theory. Cambridge ; New York: Cambridge University Press, 2008.
MLA način citiranja (9. izdanje)Beck, József. Combinatorial Games: Tic-tac-toe Theory. Cambridge University Press, 2008.
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