Grimaldi, R. P., & Ramana,B.V. (2007). Discrete and combinatorial mathematics: An applied introduction (Fifthe edition.). Pearson Addison Wesley; Pearson education.
Lua i Stíl Chicago (17ú heag.)Grimaldi, Ralph P., agus Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Boston; New Delhi: Pearson Addison Wesley; Pearson education, 2007.
Lua MLA (8ú heag.)Grimaldi, Ralph P., agus Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Pearson Addison Wesley; Pearson education, 2007.
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