Townsend, M. (1987). Discrete mathematics: Applied combinatorics and graph theory. Benjamin/Cummings Pub. Co..
Dyfyniad Arddull ChicagoTownsend, Michael. Discrete Mathematics: Applied Combinatorics and Graph Theory. Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1987.
Dyfyniad MLATownsend, Michael. Discrete Mathematics: Applied Combinatorics and Graph Theory. Benjamin/Cummings Pub. Co., 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.