Centre for Human Rights
United Nations, 1993
Buku Teks
edited by P.R. Ghandhi.
Blackstone Press, 2000
Buku Referensi
edited by A.H. Robertson
Manchester University Press, 1968
Buku Teks
Schefer, Krista Nadakavukaren, author
Edward Elgar Publishing, 2016
Buku Teks
University press, 1980
Buku Teks