Παραπομπή APA

Biggs, N. (2002). Discrete mathematics .- 2nd ed (2nd ed.). Oxford University Press.

Παραπομπή Chicago Style

Biggs, Norman. Discrete Mathematics .- 2nd Ed. 2nd ed. Oxford [England] ; New York: Oxford University Press, 2002.

Παραπομπή MLA

Biggs, Norman. Discrete Mathematics .- 2nd Ed. 2nd ed. Oxford University Press, 2002.