Marcus, D. A. (1998). Combinatorics: A problem oriented approach. Mathematical Association of America.
Lua i Stíl Chicago (17ú heag.)Marcus, Daniel A. Combinatorics: A Problem Oriented Approach. Washington, D.C.: Mathematical Association of America, 1998.
Lua MLA (9ú heag.)Marcus, Daniel A. Combinatorics: A Problem Oriented Approach. Mathematical Association of America, 1998.
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