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.),"Recent trends in employment and unemployment in Philadelphia . Employment and unemployment in Philadelphia in 1936 and 1937 . The search for work in Philadelphia, 1932-36 . The long-term unemployed in Philadelphia in 1936",,"Work Projects Administration, National Research Project",1939,Report,,,,https://cir.nii.ac.jp/crid/1130282268908848256