Dyfyniad APA

International Monetary Fund. (1981). International Monetary Fund Annual Report 1981. International Monetary Fund.

Dyfyniad Arddull Chicago

International Monetary Fund. International Monetary Fund Annual Report 1981. Washington, D.C.: International Monetary Fund, 1981.

Dyfyniad MLA

International Monetary Fund. International Monetary Fund Annual Report 1981. International Monetary Fund, 1981.

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