Huyghe, Rene
Dawn after dark
Weatherhill, 2007
 Buku Teks
Fischer, Eric
The passing of the European age : a study of the transfer of Western civilization and its renewal in other continents
Harvard University Press, 1943
 Buku Teks
Toffler, Alvin
Kejutan masa depan / Alvin Toffler
Pantja Simpati, 1989
 Buku Teks
Toffler, Alvin
Future shock
Bantam Books, 1990
 Buku Teks
Hocking, William Ernest
Coming world civilization/William Ernest Hocking
Harpers and Brothers Publisher, 1956
 Buku Teks