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 "Dennis, Norman and Erdos, George and Institute of Economic Affairs. Health and Welfare Unit",Families without fatherhood,,IEA Health and Welfare Unit,1992,Choice in welfare,,0255362730,,https://cir.nii.ac.jp/crid/1130000796220985216