Stone, Richard, author
Cavendish Publishing Limited, 2000
Buku Teks
Wilson, J. F., author
Sweet & Maxwell, 1957
Buku Teks
Anson, William R., Sir, author
Oxford University Press, 1930
Buku Teks
Anson, William R., Sir, author
Clarendon Press, 1947
Buku Teks
Anson, Sir William R
3124, 1961
Buku Teks