Johnsonbaugh, R. (1997). Introduction to discrete mathematics (4th ed.). Prentice Hall.
Cita Chicago (17th ed.)Johnsonbaugh, Richard. Introduction to Discrete Mathematics. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1997.
Cita MLA (9th ed.)Johnsonbaugh, Richard. Introduction to Discrete Mathematics. 4th ed. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.