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
Computer integrated testing / edited by Allen Buckroyd
BPS Professional Books , 1989
 Buku Teks
Dictionary of computer words
Houghton Miffiln, 1993
 Buku Referensi
Allen, Theodore
Fluid mechanics / by Theodore Allen, Richard L. Ditsworth
McGraw-Hill Kogakusha, c1972
 Buku Teks