edited by Andrew Webster and Kathryn Packer
Kluwer Law International, 1996
Buku Teks
Davenport, Neil
Kenneth Mason, 1979
Buku Teks
Milsom, S.F.C.
Cambridge Uiversity Press, 1976
Buku Teks
Allen, Carleton Kemp, Sir
Stevens & Sons Limited, 1954
Buku Teks
McIvor, Gill
Avebury, 1992
Buku Teks