Selby, David
Cambridge University Press, 1988
Buku Teks
Unesco, 1970
Buku Teks
edited by Ian Brownlie, Guy S. Goodwin-Gill
Clarendon Press, 1971
Buku Teks
Centre for Human Right, United Nations , 1991
Buku Teks
McBeth, Adam
Oxford Univ Press, 2011
Buku Teks