HALSALL FRED. (1999). DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED (4TH ED.). ADDISON-WESLEY.
Chicago Style (17th ed.) CitationHALSALL FRED. DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED. 4TH ED. HARLOW: ADDISON-WESLEY, 1999.
MLA (9th ed.) CitationHALSALL FRED. DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED. 4TH ED. ADDISON-WESLEY, 1999.
Warning: These citations may not always be 100% accurate.