Stone, Richard, author
Cavandish , 2003
Buku Teks
Stone, Richard, author
Blackstone Press, 1996
Buku Referensi
Fuller, Lon L., author
West Publishing, 1964
Buku Teks
Scott, Robert E., author
Michie, 1988
Buku Teks
Cracknell, D.G., author
Old Bailey Press, 2002
Buku Teks