Balakrishnan, V. K. (1997). Schaum's outline of theory and problems of graph theory. Tata McGraw-Hill.

Balakrishnan, V. K. Schaum's Outline of Theory and Problems of Graph Theory. New York ; New Delhi: Tata McGraw-Hill, 1997.

Balakrishnan, V. K. Schaum's Outline of Theory and Problems of Graph Theory. Tata McGraw-Hill, 1997.