APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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