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
"Pennsylvania railroad company, Joint fact finding committee and United States. Bureau of Labor Statistics","Pennsylvania railroad wage data : from report of joint fact finding committee in wage negotiations, 1927",,"U.S. G.P.O.,For sale by the Supt. of Docs., U.S. G.P.O.",1930,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000795465680128