Tietueen sitaatit
APA-viiteUnited Nations. Economic Commission for Europe. (1999). 1979 convention on long-range transboundary air pollution and its 1998 protocols on persistent organic pollutants and heavy metals. United Nations.
Chicago-tyylinen lähdeviittausUnited Nations. Economic Commission for Europe. 1979 Convention on Long-range Transboundary Air Pollution and Its 1998 Protocols on Persistent Organic Pollutants and Heavy Metals. New York [N.Y.]: United Nations, 1999.
MLA-viiteUnited Nations. Economic Commission for Europe. 1979 Convention on Long-range Transboundary Air Pollution and Its 1998 Protocols on Persistent Organic Pollutants and Heavy Metals. United Nations, 1999.
Harvard-tyylinen lähdeviittausUnited Nations. Economic Commission for Europe. 1999. 1979 convention on long-range transboundary air pollution and its 1998 protocols on persistent organic pollutants and heavy metals. New York [N.Y.]: United Nations.
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