APA (7e ed.) Bronvermelding

Biggs, N. L. (1989). Discrete mathematics (Rev. ed.). Clarendon Press.

Chicago (17e ed.) Bronvermelding

Biggs, Norman L. Discrete Mathematics. Rev. ed. Oxford [England]: Clarendon Press, 1989.

MLA (9e ed.) Bronvermelding

Biggs, Norman L. Discrete Mathematics. Rev. ed. Clarendon Press, 1989.