Ryser, H. J. (1963). Combinatorial mathematics. Mathematical Association of America.
Čikaški stil citiranja (17. izdanje)Ryser, Herbert John. Combinatorial Mathematics. Washington, D.C: Mathematical Association of America, 1963.
MLA način citiranja (9. izdanje)Ryser, Herbert John. Combinatorial Mathematics. Mathematical Association of America, 1963.
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