Não informado. (1963). Bulletin of statistics on world trade in engineering products. United Nations, Economic Commission for Europe.
Chicago Style (17. basım) AtıfNão informado. Bulletin of Statistics on World Trade in Engineering Products. New York: United Nations, Economic Commission for Europe, 1963.
MLA (8th ed.) AtıfNão informado. Bulletin of Statistics on World Trade in Engineering Products. United Nations, Economic Commission for Europe, 1963.
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