Não informado. (1981). Balance of Payments Statistics Yearbook. International Monetary Fund.
Citace podle Chicago (17th ed.)Não informado. Balance of Payments Statistics Yearbook. Washington: International Monetary Fund, 1981.
Citace podle MLA (8th ed.)Não informado. Balance of Payments Statistics Yearbook. International Monetary Fund, 1981.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..