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Dyfyniad Arddull ChicagoInternational Monetary Fund. Bulgaria: Report on the Observance of Standards and Codes-Update. Washington, D.C.: International Monetary Fund, 2002.
Dyfyniad MLAInternational Monetary Fund. Bulgaria: Report on the Observance of Standards and Codes-Update. International Monetary Fund, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.