International Monetary Fund. (1989). World Economic and Financial Surveys, Primary Commoditie, 1989: Primary Commodities. International Monetary Fund.
Style de citation Chicago (17e éd.)International Monetary Fund. World Economic and Financial Surveys, Primary Commoditie, 1989: Primary Commodities. Washington, D.C.: International Monetary Fund, 1989.
Style de citation MLA (8e éd.)International Monetary Fund. World Economic and Financial Surveys, Primary Commoditie, 1989: Primary Commodities. International Monetary Fund, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.