एपीए उद्धरण

Biggs, N. (1989). Discrete mathematics (Rev. ed.). Oxford [England] : New York: Clarendon Press ; Oxford University Press.

शिकागो स्टाइल उद्धरण

Biggs, Norman. Discrete Mathematics. Rev. ed. Oxford [England] : New York: Clarendon Press ; Oxford University Press, 1989.

एमएलए उद्धरण

Biggs, Norman. Discrete Mathematics. Rev. ed. Oxford [England] : New York: Clarendon Press ; Oxford University Press, 1989.