App, S. (2011). Discrete Mathematics with Applications (4th.). Cengage.
Cita Chicago (17th ed.)App, Susanna. Discrete Mathematics with Applications. 4th. Cengage, 2011.
Cita MLA (9th ed.)App, Susanna. Discrete Mathematics with Applications. 4th. Cengage, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.