BLACKWELL, W. A., & GRIGSBY, L. L. (1985). Introductory network theory. PWS Engineering.
Lua i Stíl Chicago (17ú heag.)BLACKWELL, William A., agus Leonard L. GRIGSBY. Introductory Network Theory. Boston: PWS Engineering, 1985.
Lua MLA (9ú heag.)BLACKWELL, William A., agus Leonard L. GRIGSBY. Introductory Network Theory. PWS Engineering, 1985.
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