Lovasz, L., Pelikan, J., & Vesztergombi, K. (2003). Discrete mathematics elementary and beyond. Springer.
Dyfyniad Arddull ChicagoLovasz, L., J. Pelikan, and K. Vesztergombi. Discrete Mathematics Elementary and Beyond. New York: Springer, 2003.
Dyfyniad MLALovasz, L., et al. Discrete Mathematics Elementary and Beyond. Springer, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.