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Dyfyniad Arddull ChicagoBems, Rudolfs, and Irineu de Carvalho Filho. Exchange Rate Assessments: Methodologies for Oil Exporting Countries. [Washington, D.C.]: International Monetary Fund, Research Department, 2009.
Dyfyniad MLABems, Rudolfs, and Irineu de Carvalho Filho. Exchange Rate Assessments: Methodologies for Oil Exporting Countries. International Monetary Fund, Research Department, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.