P. R. Gandhi, editor
Blackstone Press limited, 2000
Buku Teks
Selby, David, author
Cambridge University Press, 1988
Buku Teks
Unesco, 1970
Buku Teks
Centre for Human Right, United Nations , 1991
Buku Teks
McBeth, Adam, author
Oxford Univ Press, 2011
Buku Teks