Balakrishnan, V. K. (1997). Schaum's outline of theory and problems of graph theory. Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Balakrishnan, V. K. Schaum's Outline of Theory and Problems of Graph Theory. New York ; New Delhi: Tata McGraw-Hill, 1997.
Lua MLA (8ú heag.)Balakrishnan, V. K. Schaum's Outline of Theory and Problems of Graph Theory. Tata McGraw-Hill, 1997.
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