edited by, Alvin Toffler
Random House, 1972
Buku Teks
Toynbee, Arnold J., author
Kodansha International, 1976
Buku Teks
Annan, Kofi A., author
United Nations, 1998
Buku Teks
Chambers, Iain, author
Routledge, 2001
Buku Teks
Senghaas, Dieter
Suhrkamp Verlag , 2002
Buku Teks