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
"Litwak, Eugene",Helping the elderly : the complementary roles of informal networks and formal systems,,Guilford Press,1985,Perspectives on marriage and the family,,0898620775,,https://cir.nii.ac.jp/crid/1130000795122673024