Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL United States. Bureau of Labor Statistics,"Indexes of output per man-hour : motor vehicles and equipment industry, 1957-66",,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1968,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000796952640256