Ross, K., & Wright, C. R. B. (1998). Discrete mathematics (4th ed.). Prentice Hall.
Cita Chicago (17th ed.)Ross, Kenneth, i Charles R. B. Wright. Discrete Mathematics. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1998.
Cita MLA (9th ed.)Ross, Kenneth, i Charles R. B. Wright. Discrete Mathematics. 4th ed. Prentice Hall, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.