Não informado. (1963). Bulletin of statistics on world trade in engineering products. United Nations, Economic Commission for Europe.
Chicago-Zitierstil (17. Ausg.)Não informado. Bulletin of Statistics on World Trade in Engineering Products. New York: United Nations, Economic Commission for Europe, 1963.
MLA-Zitierstil (8. Ausg.)Não informado. Bulletin of Statistics on World Trade in Engineering Products. United Nations, Economic Commission for Europe, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.