Roberts, F. S. (1978). Graph theory and its applications to problems of society. Society for Industrial and Applied Mathematics.
Cita Chicago Style (17a ed.)Roberts, Fred S. Graph Theory and Its Applications to Problems of Society. Philadelphia: Society for Industrial and Applied Mathematics, 1978.
Cita MLA (9a ed.)Roberts, Fred S. Graph Theory and Its Applications to Problems of Society. Society for Industrial and Applied Mathematics, 1978.
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