International Labor Office. (1967). Higher productivity in manufacturing industries. ILO.
Chicago-referens (17:e uppl.)International Labor Office. Higher Productivity in Manufacturing Industries. Geneva: ILO, 1967.
MLA-referens (9:e uppl.)International Labor Office. Higher Productivity in Manufacturing Industries. ILO, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.