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Dyfyniad Arddull ChicagoMcRae, Hamish. The World in 2020: Power, Culture, and Prosperity. Boston, Mass: Harvard Business School Press, 1994.
Dyfyniad MLAMcRae, Hamish. The World in 2020: Power, Culture, and Prosperity. Harvard Business School Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.