Bernhardt, Roger
St. Paul, Minn, 1991
Buku Teks
Emanuel, Steven, author
Emanuel Law Outlines, 1993
Buku Teks
Bernhardt, Robert, author
West Publishing, 1991
Buku Teks
edited by Adam Mossoff, professor of law, editor; George Mason, University School of Law, Virginia, USA, editor
Edward Elgar, 2013
Buku Teks
Haar, Charles M., author
Little, Brown, 1977
Buku Teks