TOFFLER, A. (1990). Powershift: Knowledge, wealth, and violence at the edgeof the 21st century. Bantam Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTOFFLER, Alvin. Powershift: Knowledge, Wealth, and Violence at the Edgeof the 21st Century. New York: Bantam Books, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTOFFLER, Alvin. Powershift: Knowledge, Wealth, and Violence at the Edgeof the 21st Century. Bantam Books, 1990.
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