Klabbers, Jan, author
UK Edward Elgar Publishing, 2015
Buku Teks
Boyle, Alan, author
Oxford University Press, 2007
Buku Teks
Klabbers, Jan, author
Oxford Univesity Press, 2011
Buku Teks
Kirgis, Frederic L., author
West Publishing, 1993
Buku Teks
edited by Evan Luard
Praeger, 1966
Buku Teks