Stallings, William
Data and communications
Prentice-Hall, 1994
Buku Teks
Loomis, Mary E.S.
Data communications
Prentice-Hall, 1983
Buku Teks
Roden, Martin S.
Digital and data communication systems
Prentice-Hall, 1982
Buku Teks
Heijer, P.C. den
Komunikasi data = data communications
Elex Media Komputindo, 1987
Buku Teks SO
Stallings, William
Data and computer communications
Macmillan, 1988
Buku Teks