Biswal, P. C. (2009). Discrete mathematics and graph theory .- 2nd ed (2nd ed.). PHI Learning Private Ltd.
シカゴスタイル引用形Biswal, Purna Chandra. Discrete Mathematics and Graph Theory .- 2nd Ed. 2nd ed. New Delhi: PHI Learning Private Ltd, 2009.
MLA引用形式Biswal, Purna Chandra. Discrete Mathematics and Graph Theory .- 2nd Ed. 2nd ed. PHI Learning Private Ltd, 2009.
警告: この引用は必ずしも正確ではありません.