Stallings, William
Data and computer communications
Prentice-Hall, 2004
 Buku Teks
Black, Uyless D.
Data communications and distributed networks
A Reston Book, 1987
 Buku Teks
Sherman, Kenneth
Data communications: a users guide
Reston Publishing company, 1981
 Buku Teks
Stallings, William
Data and computer communications
Macmillan, 1985
 Buku Teks
Stallings, William
Data and computer communications
Prentice Hall International, 1994
 Buku Teks