1.
, . Combinatorics and graph theory. Berlin, Heidelberg, New York: Springer-Verlag; 1981.
et . Combinatorics and graph theory. Berlin, Heidelberg, New York : Springer-Verlag, 14 juin 1981. ISBN 0-387-11151-4
Symposium on combinatorics and graph theory & Rao Siddani Bhaskara. (1981). Combinatorics and graph theory: Proceedings of the symposium held at the Indian statistical institute, Calcutta, February 25-29, 1980. Springer-Verlag.
MLA (8th ed.) CitationSymposium on combinatorics and graph theory and Rao Siddani Bhaskara. Combinatorics and Graph Theory: Proceedings of the Symposium Held at the Indian Statistical Institute, Calcutta, February 25-29, 1980. Springer-Verlag, 1981.
Warning: These citations may not always be 100% accurate.