Dyfyniad APA

International Monetary Fund. (1989). World Economic and Financial Surveys: Staff Studies, 1989. International Monetary Fund.

Dyfyniad Arddull Chicago

International Monetary Fund. World Economic and Financial Surveys: Staff Studies, 1989. Washington, D.C.: International Monetary Fund, 1989.

Dyfyniad MLA

International Monetary Fund. World Economic and Financial Surveys: Staff Studies, 1989. International Monetary Fund, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.