Tacsan, Joaquin, author
Martinus Nijhoff, 1992
Buku Teks
Oxford Univertity Press, 2004
Buku Teks
Fisher, Ronald C., author
Syracuse University Press, 1996
Buku Teks
Wallensteen, Peter, author
SAGE, 2015
Buku Teks
Merrills, J.G., author
Sweet and Maxwell, 1984
Buku Teks