Biggs, N. L., & Norman L. Biggs. (2002). Discrete mathematics. Oxford [England],New York: Oxford University Press.
Dyfyniad Arddull ChicagoBiggs, Norman L., và Norman L. Biggs. Discrete Mathematics. Oxford [England],New York: Oxford University Press, 2002.
Dyfyniad MLABiggs, Norman L., và Norman L. Biggs. Discrete Mathematics. Oxford [England],New York: Oxford University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.