APA-referens (7:e uppl.)

HALSALL FRED. (1999). DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED (4TH ED.). ADDISON-WESLEY.

Chicago-referens (17:e uppl.)

HALSALL FRED. DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED. 4TH ED. HARLOW: ADDISON-WESLEY, 1999.

MLA-referens (9:e uppl.)

HALSALL FRED. DATA COMMUNICATION ,COMPUTER NETWORKS AND OPEN SYSTEM 4TH ED. 4TH ED. ADDISON-WESLEY, 1999.