APA
United Nations Industrial Development Organization (USA), United Nations Industrial Development Organization (USA), . (1981). Technical criteria for the selection of wood working machines. New: York United Nations USA.
Chicago
United Nations Industrial Development Organization (USA), United Nations Industrial Development Organization (USA), . 1981. Technical criteria for the selection of wood working machines. New: York United Nations USA.
Harvard
United Nations Industrial Development Organization (USA), United Nations Industrial Development Organization (USA), . (1981). Technical criteria for the selection of wood working machines. New: York United Nations USA.
MLA
United Nations Industrial Development Organization (USA), United Nations Industrial Development Organization (USA), . Technical criteria for the selection of wood working machines. New: York United Nations USA. 1981.