International Monetary Fund. Statistics Dept. Real Sector Division. (1993). A Guide to Direction of trade statistics. International Monetary Fund.
Citazione stile Chigago Style (17a edizione)International Monetary Fund. Statistics Dept. Real Sector Division. A Guide to Direction of Trade Statistics. Washington, D. C: International Monetary Fund, 1993.
Citatione MLA (9a ed.)International Monetary Fund. Statistics Dept. Real Sector Division. A Guide to Direction of Trade Statistics. International Monetary Fund, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.