Harris, Phil
Weidenfeld and Nicolson, 1993
Buku Teks
Hames, Joanne Banker
Prentice-Hall, 1998
Buku Teks
Derham, David P.
Law Book, 1971
Buku Teks
Jaap Hage, Antonia Waltermann, Bram Akkermans, editors
Springer International Publishing, 2017
eBooks
Maher, Frank
Law Book, 1991
Buku Teks SO