Dickinson, Brian, author
Yourdon Press, 1980
Buku Teks
Martin, James, author
Prentice-Hall, 1988
Buku Teks
Cutts, Geoff, author
Alfred Waller, [date of publication not identified]
Buku Teks
Hughes, Joan K., author
John Wiley & Sons, 1981
Buku Teks
Davis, William S., author
Addison-Wesley, 1983
Buku Teks