Johnsonbaugh, R. (1993). Discrete mathematics (3a. ed.). MacMillan.
Cita Chicago (17th ed.)Johnsonbaugh, Richard. Discrete Mathematics. 3a. ed. Nueva York: MacMillan, 1993.
Cita MLA (9th ed.)Johnsonbaugh, Richard. Discrete Mathematics. 3a. ed. MacMillan, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.