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
"Ruggles, Richard and United States. National Commission on Employment and Unemployment Statistics",Employment and unemployment statistics as indexes of economic activity and capacity utilization,,"National Commission on Employment and Unemployment Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1979,Background paper,,,,https://cir.nii.ac.jp/crid/1130282270648563200