Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics,"The mobility of electronic technicians, 1940-52 : the work experience, training, and personal characteristics of workers in a new skilled occupation",,"U. S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1954,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282271716540672