Singhi, N. (1997). Topics in discrete mathematics: Codes , tableaus, designs and graphs. New Age International.
Dyfyniad Arddull ChicagoSinghi, N.M. Topics in Discrete Mathematics: Codes , Tableaus, Designs and Graphs. Delhi: New Age International, 1997.
Dyfyniad MLASinghi, N.M. Topics in Discrete Mathematics: Codes , Tableaus, Designs and Graphs. New Age International, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.