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