edited by Sheldon S.L. Chang
John Wiley & Sons, 1983
Buku Referensi
Cogdell, J.R.
Prentice-Hall, 1990
Buku Teks
Carlson, A. Bruce
Addison-Wesley, 1981
Buku Teks SO
Korn, Granino A.
McGraw-Hill, 1965
Buku Teks SO
Dekker, Adrianus J.
Prentice-Hall, 1984
Buku Teks