Biggs, N. L. (1985). Discrete mathematics. Clarendon; Oxford University Press.
Chicagoスタイル(17版)引用形式Biggs, Norman L. Discrete Mathematics. Oxford ; New Delhi: Clarendon; Oxford University Press, 1985.
MLA(8版)引用形式Biggs, Norman L. Discrete Mathematics. Clarendon; Oxford University Press, 1985.
警告: この引用は必ずしも正確ではありません.