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.),"Philadelphia labor market studies : radio workers, weavers and loom fixers, machinists, hosiery workers",,"Works Progress Administration, National Research Project",1939,Report,,,,https://cir.nii.ac.jp/crid/1130000797360257536