Graham, R. L., Knuth, D. E., Patashnik, O., Knuth, D. E., Knuth, D. E. 1., Knuth, D. E., & Patashnik, O. (1994). Concrete mathematics: A foundation for computer science (2nd ed.). Reading, Mass.: Addison-Wesley.
Παραπομπή Chicago StyleGraham, Ronald L., Donald Ervin) Knuth, Oren Patashnik, Donald Ervin Knuth, D. E. 1938- Knuth, Donald E. Knuth, and Oren Patashnik. Concrete Mathematics: A Foundation for Computer Science. 2nd ed. Reading, Mass.: Addison-Wesley, 1994.
Παραπομπή MLAGraham, Ronald L., et al. Concrete Mathematics: A Foundation for Computer Science. 2nd ed. Reading, Mass.: Addison-Wesley, 1994.
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