Παραπομπή APA

Grimaldi, R. P., & Ramana, B. V. (2009). Discrete and combinatorial mathematics: An applied introduction (5th ed.). Pearson.

Παραπομπή Chicago Style

Grimaldi, Ralph P., και B. V. Ramana. Discrete and Combinatorial Mathematics: An Applied Introduction. 5th ed. Delhi: Pearson, 2009.

Παραπομπή MLA

Grimaldi, Ralph P., και B. V. Ramana. Discrete and Combinatorial Mathematics: An Applied Introduction. 5th ed. Pearson, 2009.