Cita APA (7th ed.)

Grimaldi, R. P. (1989). Discrete and combinatorial mathematics: An applied introduction (2nd ed.). Addison-Wesley.

Cita Chicago (17th ed.)

Grimaldi, Ralph P. Discrete and Combinatorial Mathematics: An Applied Introduction. 2nd ed. Reading, Mass: Addison-Wesley, 1989.

Cita MLA (9th ed.)

Grimaldi, Ralph P. Discrete and Combinatorial Mathematics: An Applied Introduction. 2nd ed. Addison-Wesley, 1989.