De Vries, Mary Ann
Professional secretary's encyclopedic dictionary
Prentice-Hall, 1995
 Buku Referensi
Computer ethics and professional responsibility
Terrell Ward Bynum, Simon Rogerson, editors
Blackwell Publishing, 2010
 Buku Teks SO
Vassiliou, M.S.
Computer professional's quick reference
McGraw-Hill, 1992
 Buku Referensi
Dictionary of computer words
Houghton Miffiln, 1993
 Buku Referensi
Freedman, Alan
The computer glossary:the complete illustrated dictionary
Amacom, 1995
 Buku Referensi