Ewen, Dale, author
Prentice-Hall, 1983
Buku Teks
Wright, D. Franklin, author
D.C. Heath, 1990
Buku Referensi
Black, J., author
John Wiley & Sons, 1980
Buku Teks
McEliece, Robert J., author
Random House, 1989
Buku Teks
Richman, Fred, 1938-, author
Brooks/Cole, 1967
Buku Teks