United Nations. Economic Commission for Europe & United nations. (1996). 1979 Convention on Long-range transboundary air pollution and its protocols. UN.
Цитирование в стиле Чикаго (17-е изд.)United Nations. Economic Commission for Europe и United nations. 1979 Convention on Long-range Transboundary Air Pollution and Its Protocols. New York: UN, 1996.
Цитирование MLA (8-е изд.)United Nations. Economic Commission for Europe и United nations. 1979 Convention on Long-range Transboundary Air Pollution and Its Protocols. UN, 1996.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.