著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
United States. Bureau of Labor Statistics,Extent of collective bargaining and union recognition,,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Office",1946,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269985773312