Παραπομπή APA

Townsend, M. (1987). Discrete mathematics: Applied combinatorics and graph theory. Benjamin/Cummings Pub. Co..

Παραπομπή Chicago Style

Townsend, Michael. Discrete Mathematics: Applied Combinatorics and Graph Theory. Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1987.

Παραπομπή MLA

Townsend, Michael. Discrete Mathematics: Applied Combinatorics and Graph Theory. Benjamin/Cummings Pub. Co., 1987.