Yourdon, Edward, author
Prentice-Hall, 1989
Buku Teks
Cutts, Geoff, author
Alfred Waller, [date of publication not identified]
Buku Teks
Davis, Williams, author
Addison-Wesley, 1983
Buku Teks
Aktas, A. Ziya, author
A Reston Book Prentice Hall, 1987
Buku Teks
Kendall, Penny A., author
Irwin , 1996
Buku Teks