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Dyfyniad Arddull ChicagoKay,John. Foundations of Corporate Success: How Business Strategies Add Value. New York: Oxford University, 1993.
Dyfyniad MLAKay,John. Foundations of Corporate Success: How Business Strategies Add Value. Oxford University, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.