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 "Zarit, Steven H. and Pearlin, Leonard I. (Leonard Irving) and Schaie, K. Warner (Klaus Warner)",Caregiving systems : informal and formal helpers,,Routledge,2018,Social structure and aging,,9781138876255,,https://cir.nii.ac.jp/crid/1130570297692485519