Ward, Ian
Routledge. Cavendish. Taylor & Francis Group, 2004
Buku Teks
Kelsen, Hans
Clarendon Press Oxford, 1992
Buku Teks
Finch, John
Sweet & Maxwell, 1974
Buku Teks
Finch, John
Sweet & Maxwell, 1970
Buku Teks
Jones, John Walter, 1892-1973
At The Clarendon Press, 1956
Buku Teks