Mander, Linden A.
Stanford University Press, 1948
Buku Teks
Henckaerts, Jean-Marie, author
Martinus Nijhoff , 1995
Buku Teks
Bozeman, Adda B., author
Princeton University Press, 1971
Buku Teks
Luard, Evan
Oxford University Press , 1964
Buku Teks
Watson, Adam, author
Routledge , 1997
Buku Teks