Vatsa, B. S., & Vatsa, S. (2009). Discrete mathematics (4th rev. ed.). New Age International.
Cita Chicago (17th ed.)Vatsa, B. S., i Suchi Vatsa. Discrete Mathematics. 4th rev. ed. New Delhi: New Age International, 2009.
Cita MLA (9th ed.)Vatsa, B. S., i Suchi Vatsa. Discrete Mathematics. 4th rev. ed. New Age International, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.