APA
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . (1994). Market trends for selected chemical products 1985-1990 and prospects to 1995. New: York United Nations USA.
Chicago
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . 1994. Market trends for selected chemical products 1985-1990 and prospects to 1995. New: York United Nations USA.
Harvard
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . (1994). Market trends for selected chemical products 1985-1990 and prospects to 1995. New: York United Nations USA.
MLA
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . Market trends for selected chemical products 1985-1990 and prospects to 1995. New: York United Nations USA. 1994.