Hovenkamp, Herbert, author
West Publishing, 1993
Buku Teks
Steven G. Midema
Princeton University press, 1997
Buku Teks
Cooter, Robert, author
Addison-Wesley, 2000
Buku Teks
Posner, Eric A., author
Ashgate, 2001
Buku Teks
Ross, Stephen F., author
The Foundation Press, 1993
Buku Teks