Grimaldi, R. P., & Ramana,B.V. (2007). Discrete and combinatorial mathematics: An applied introduction (Fifthe edition.). Pearson Addison Wesley; Pearson education.
芝加哥风格引文Grimaldi, Ralph P., 与 Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Boston; New Delhi: Pearson Addison Wesley; Pearson education, 2007.
MLA引文Grimaldi, Ralph P., 与 Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Pearson Addison Wesley; Pearson education, 2007.
警告：这些引文格式不一定是100％准确.