WALRAND, J. (1998). COMMUNICATION NETWORKS 2 ND EDI. MCGRAW HILL.
Lua i Stíl Chicago (17ú heag.)WALRAND, J. COMMUNICATION NETWORKS 2 ND EDI. BOSTON: MCGRAW HILL, 1998.
Lua MLA (9ú heag.)WALRAND, J. COMMUNICATION NETWORKS 2 ND EDI. MCGRAW HILL, 1998.
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