Cita APA (7th ed.)

Grimaldi, R. P., & Ramana,B.V. (2007). Discrete and combinatorial mathematics: An applied introduction (Fifthe edition.). Pearson Addison Wesley; Pearson education.

Cita Chicago (17th ed.)

Grimaldi, Ralph P., i Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Boston; New Delhi: Pearson Addison Wesley; Pearson education, 2007.

Cita MLA (8th ed.)

Grimaldi, Ralph P., i Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Pearson Addison Wesley; Pearson education, 2007.