Zoller, Elisabeth, author
Martinus Nijhoff, 2008
Buku Teks
Choper, Jesse H., author
Harcourt Brace Legal and Profesional Publications, 1989
Buku Teks
Ford, H.A.J., author
Butterworth, 1995
Buku Teks
Hamilton, Robert W., author
West Publishing, 1996
Buku Teks
Gutteridge, H. C.
Cambridge University Press, 1949
Buku Teks