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APA-referensUnited Nations. Economic Commission for Europe. (1985). Air pollution across boundaries: Report prepared within the framework of the Convention on Long-range Transboundary Air Pollution. United Nations, Economic Commission for Europe.
Chicago-stil citatUnited Nations. Economic Commission for Europe. Air Pollution Across Boundaries: Report Prepared Within the Framework of the Convention on Long-range Transboundary Air Pollution. New York: United Nations, Economic Commission for Europe, 1985.
MLA-referensUnited Nations. Economic Commission for Europe. Air Pollution Across Boundaries: Report Prepared Within the Framework of the Convention on Long-range Transboundary Air Pollution. United Nations, Economic Commission for Europe, 1985.
Harvard-stil citatUnited Nations. Economic Commission for Europe. 1985. Air pollution across boundaries: Report prepared within the framework of the Convention on Long-range Transboundary Air Pollution. New York: United Nations, Economic Commission for Europe.