Elahi, Ata
Network communications technology
Delmar Thomson Learning, 2001
 Buku Teks SO
Dennis, Alan, 1951-
Fundamentals of business data communications
John Wiley & Sons, 2012
 Buku Teks SO
Dennis, Alan, 1951-
Fundamentals of business data communications
John Wiley & Sons, 2012
 Buku Teks SO
Sherman, Kenneth
Data communications: a users guide
Reston Publishing company, 1981
 Buku Teks SO
Stallings, William
Data and computer communications
Macmillan, 1985
 Buku Teks SO