Vatsa, B. S., & Vatsa, S. (2009). Discrete mathematics (4th rev. ed.). New Age International.
Chicago-čujuhus (17. p.)Vatsa, B. S., juo Suchi Vatsa. Discrete Mathematics. 4th rev. ed. New Delhi: New Age International, 2009.
MLA-čujuhus (9. p.)Vatsa, B. S., juo Suchi Vatsa. Discrete Mathematics. 4th rev. ed. New Age International, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.