Meyer, N. Dean
McGraw-Hill, 1987
Buku Teks
Fuori, William M., author
Prentice-Hall, 1994
Buku Teks
Smith, Allen N.
South-Western Pub. Co, 1986
Buku Teks
Diebold, John
American Management Association, 1985
Buku Teks
Hirschheim, R.A
Addison-Wesley, 1986
Buku Teks