HALSALL FRED. (1999). DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED (4TH ED.). ADDISON-WESLEY.
Citace podle Chicago (17th ed.)HALSALL FRED. DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED. 4TH ED. HARLOW: ADDISON-WESLEY, 1999.
Citace podle MLA (9th ed.)HALSALL FRED. DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED. 4TH ED. ADDISON-WESLEY, 1999.
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