Ledgrad, Henry, author
Science Research Association, 1981
Buku Teks
Horowitz, Ellis, author
Computer Science Press , 1984
Buku Teks
Sebesta, Robert W., author
The Benjamin/Cumming Publishing Company.inc, 1989
Buku Teks
Sethi, Ravi, author
Addison-Wesley, 1989
Buku Teks
Tennent, R.D., author
Prentice-Hall, 1981
Buku Teks