Tietueen sitaatit
APA-viiteUnited Nations. Economic Commission for Europe. (1991). Iron and steel scrap: Its significance and influence on further developments in the iron and steel industries (5. upd.). United Nations.
Chicago-tyylinen lähdeviittausUnited Nations. Economic Commission for Europe. Iron and Steel Scrap: Its Significance and Influence on Further Developments in the Iron and Steel Industries. 5. upd. New York [N.Y.]: United Nations, 1991.
MLA-viiteUnited Nations. Economic Commission for Europe. Iron and Steel Scrap: Its Significance and Influence on Further Developments in the Iron and Steel Industries. 5. upd. United Nations, 1991.
Harvard-tyylinen lähdeviittausUnited Nations. Economic Commission for Europe. 1991. Iron and steel scrap: Its significance and influence on further developments in the iron and steel industries. 5. upd. New York [N.Y.]: United Nations.