Allen, Michael
Blackstone Press Ltd., s.a.
Buku Teks
Hart, James, author
Appleton-Century-Crofts, 1950
Buku Teks
Kesari, U.P.D
Central Law Publication, 2008
Buku Teks
Thompson, Brian
Blackstone press , 1997
Buku Teks
Miller, Robert D.
An Aspen Publication, 1996
Buku Teks