Dyfyniad APA

Toffler, A. (1990). Power shift: Knowledge, wealth, and violence at the edge of the 21st century. New York: Bantam Books.

Dyfyniad Arddull Chicago

Toffler, Alvin. Power Shift: Knowledge, Wealth, and Violence At the Edge of the 21st Century. New York: Bantam Books, 1990.

Dyfyniad MLA

Toffler, Alvin. Power Shift: Knowledge, Wealth, and Violence At the Edge of the 21st Century. New York: Bantam Books, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.