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Dyfyniad Arddull ChicagoKirzner, Israel. The Prime Mover of Progress: The Entrepreneur in Capitalism and Socialism. U.S.A: Institute of Economic Affairs, 1980.
Dyfyniad MLAKirzner, Israel. The Prime Mover of Progress: The Entrepreneur in Capitalism and Socialism. U.S.A: Institute of Economic Affairs, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.