International Monetary Fund. Real Sector Division & ebrary, Inc. (1993). A Guide to Direction of trade statistics. International Monetary Fund.
Citação do estilo Chicago (17ª ed.)International Monetary Fund. Real Sector Division e Inc ebrary. A Guide to Direction of Trade Statistics. Washington, D.C.: International Monetary Fund, 1993.
Citação MLA (9ª ed.)International Monetary Fund. Real Sector Division e Inc ebrary. A Guide to Direction of Trade Statistics. International Monetary Fund, 1993.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.