Curry, David A.
Unix system security a guide for users and systems administrators
Addison-Wesley, 1992
 Buku Teks
Nicholas, David
End-users of online information systems: an analysis
Mansell Publishing, 1988
 Buku Teks
Libraries without walls 3 : the delivery of library services to distant users
edited by Peter Brophy; Shelagh Fisher; Zoe Clarke
Library Association Publishing, 2000
 Buku Teks
Issues in commercial document delivery
 Artikel Jurnal
Sherman, Kenneth
Data communications: a users guide
Reston Publishing company, 1981
 Buku Teks