Citáce podľa APA (7th ed.)
Ensley, D. E., & Crawley, J. W. (2006). Discrete Mathematics: Mathematical Reasoning and Proof with Puzzles, Patterns, and Games. John Wiley & Sons.
Citácia podle Chicago (17th ed.)
Ensley, Douglas E., a J. Winston Crawley. Discrete Mathematics: Mathematical Reasoning and Proof with Puzzles, Patterns, and Games. Hoboken: John Wiley & Sons, 2006.
Citácia podľa MLA (8th ed.)
Ensley, Douglas E., a J. Winston Crawley. Discrete Mathematics: Mathematical Reasoning and Proof with Puzzles, Patterns, and Games. John Wiley & Sons, 2006.
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