TOFFLER, A. (1990). Powershift: Knowledge, wealth, and violence at the edgeof the 21st century. Bantam Books.
Chicago-referens (17:e uppl.)TOFFLER, Alvin. Powershift: Knowledge, Wealth, and Violence at the Edgeof the 21st Century. New York: Bantam Books, 1990.
MLA-referens (9:e uppl.)TOFFLER, Alvin. Powershift: Knowledge, Wealth, and Violence at the Edgeof the 21st Century. Bantam Books, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.