Não informado. (2001). Direction of Trade Yearbook. International Monetary Fund.
Cita Chicago Style (17a ed.)Não informado. Direction of Trade Yearbook. Washington: International Monetary Fund, 2001.
Cita MLA (8a ed.)Não informado. Direction of Trade Yearbook. International Monetary Fund, 2001.
Precaución: Estas citas no son 100% exactas.