Champine, George A., author
North Holland, 1980
Buku Teks
Lorin, Harold, author
John Wiley & Sons, 1980
Buku Teks
Peleg, David, author
Society for Industrial and Applied Mathematics, 2000
eBooks
Sloman, Morris, author
Prentice-Hall, 1987
Buku Teks
Coulouris, George F., author
Addison-Wesley, 1988
Buku Teks