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 Bureau of Economic Research,"Differentials in hourly earnings by region and city size, 1959",,University Microfilms International,1967,Occasional paper,,,,https://cir.nii.ac.jp/crid/1130000796115095680