(1982). Bulletin of statistics on world trade in engineering products 1980: Economic commission for Europe. United Nations.
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Citação norma Chicago
Bulletin of Statistics on World Trade in Engineering Products 1980: Economic Commission for Europe. New York: United Nations, 1982.
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Citação norma MLA
Bulletin of Statistics on World Trade in Engineering Products 1980: Economic Commission for Europe. United Nations, 1982.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.