APA Баримт

United Nations. Economic Commission for Europe & United nations. (1996). 1979 Convention on Long-range transboundary air pollution and its protocols. UN.

Чикаго маягийн жагсаалт

United Nations. Economic Commission for Europe ба United nations. 1979 Convention on Long-range Transboundary Air Pollution and Its Protocols. New York: UN, 1996.

MLA ишлэл

United Nations. Economic Commission for Europe ба United nations. 1979 Convention on Long-range Transboundary Air Pollution and Its Protocols. UN, 1996.