(1991). Assessment of long-range transboundary air pollution: Report prepared within the framework of the Convention on Long-range Transboundary Air Pollution. United Nations.
Chicago-Zitierstil (17. Ausg.)Assessment of Long-range Transboundary Air Pollution: Report Prepared Within the Framework of the Convention on Long-range Transboundary Air Pollution. New York: United Nations, 1991.
MLA-Zitierstil (9. Ausg.)Assessment of Long-range Transboundary Air Pollution: Report Prepared Within the Framework of the Convention on Long-range Transboundary Air Pollution. United Nations, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.