Παραπομπή APA

Biggs, N., & Biggs, N. L. (1998). Graph theory, 1736-1936. Clarendon Press.

Παραπομπή Chicago Style

Biggs, Norman, και Norman; Lloyd Biggs. Graph Theory, 1736-1936. Oxford [Oxfordshire] ; New York: Clarendon Press, 1998.

Παραπομπή MLA

Biggs, Norman, και Norman; Lloyd Biggs. Graph Theory, 1736-1936. Clarendon Press, 1998.