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
National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.) and National Bureau of Economic Research,"Productivity and employment in selected industries: beet sugar, brick and tile",,"Works Progress Administration, National Research Project, in cooperation with National Bureau of Economic Research",1939,Report,,,,https://cir.nii.ac.jp/crid/1130282268786208000