LIPSCHUTZ, S. (2001). THEORY AND PROBLEMS OF DISCRETE MATHEMATICS 2 ED. TATA MCGRAW HILL.
Lua i Stíl Chicago (17ú heag.)LIPSCHUTZ, S. THEORY AND PROBLEMS OF DISCRETE MATHEMATICS 2 ED. NEW DELHI: TATA MCGRAW HILL, 2001.
Lua MLA (9ú heag.)LIPSCHUTZ, S. THEORY AND PROBLEMS OF DISCRETE MATHEMATICS 2 ED. TATA MCGRAW HILL, 2001.
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