Παραπομπή APA

Graham, R. L., Knuth, D. E., Patashnik, O., Knuth, D. E. 1., & Knuth, D. E. (1989). Concrete mathematics: A foundation for computer science. Reading, Mass.: Addison-Wesley.

Παραπομπή Chicago Style

Graham, Ronald L., Donald Ervin) Knuth, Oren Patashnik, D. E. 1938- Knuth, and Donald E. Knuth. Concrete Mathematics: A Foundation for Computer Science. Reading, Mass.: Addison-Wesley, 1989.

Παραπομπή MLA

Graham, Ronald L., et al. Concrete Mathematics: A Foundation for Computer Science. Reading, Mass.: Addison-Wesley, 1989.

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