Wilson, R. J. (1996). Introduction to graph theory (4th ed.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Wilson, Robin J. Introduction to Graph Theory. 4th ed. Harlow, Essex, England ;4aNew Delhi: Pearson Education, 1996.
Lua MLA (8ú heag.)Wilson, Robin J. Introduction to Graph Theory. 4th ed. Pearson Education, 1996.
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