APA
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . (1984). Engineering equipment and automation means for waste water management in ELE countries. New: York United Nations USA.
Chicago
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . 1984. Engineering equipment and automation means for waste water management in ELE countries. New: York United Nations USA.
Harvard
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . (1984). Engineering equipment and automation means for waste water management in ELE countries. New: York United Nations USA.
MLA
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . Engineering equipment and automation means for waste water management in ELE countries. New: York United Nations USA. 1984.