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,"Pension plans under collective bargaining : normal retirement, early, and disability retirement, fall 1959",,"U. S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off",1959,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282272497778304