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Dyfyniad Arddull ChicagoFostel, Ana, Luis Catao, and Sandeep Kapur. Persistent Gaps, Volatility Types, and Default Traps. Washington, D.C.: International Monetary Fund, 2007.
Dyfyniad MLAFostel, Ana, et al. Persistent Gaps, Volatility Types, and Default Traps. International Monetary Fund, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.