Bridge, Michael G.
Blackstone Press Limited, 1996
Buku Teks
Edenborough, Michael, author
Cavendish Publishing , 1994
Buku Teks
Edenborough, Michael, author
Cavendish Publishing, 1995
Buku Teks
Thompson, Mark P., author
Sweet & Maxwell, 1995
Buku Teks
Cornish, W.R. (William Rodolph), 1937-, author
Sweet and Maxwell, 2007
Buku Referensi