Barendt, E. M., author
Oxford University Press, 1998
Buku Teks
Kortmann, Constantijn A. J. M., author
Kluwer Law Internasional, 2000
Buku Teks
Funston, Bernard W., author
Carswell, 1994
Buku Teks
Mason, Alpheus Thomas,1899-1989, author
Prentice-Hall, 1993
Buku Teks
Barron, Jerome A., author
West, 2009
Buku Teks