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Dyfyniad Arddull ChicagoLaffer,Arthur B. Private Short-term Capital Flows. New York: Marcel,Dekker,Inc, 1975.
Dyfyniad MLALaffer,Arthur B. Private Short-term Capital Flows. Marcel,Dekker,Inc, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.