Schonberger, Richard John, author
N.Y. The Free Press, 1986
Buku Teks
Schonberger, Richard John, author
The Free Press , 1982
Buku Teks
Schonberger, Richard John, author
Prenhallindo , 1997
Buku Teks
Hull, John F., author
Gower Press, 1973
Buku Teks
Schonberger, Richard John, author
Business Publications, 1985
Buku Teks