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
"Brayfield, April A. and Deich, Sharon Gennis and Hofferth, Sandra L. and National Association for the Education of Young Children and Urban Institute and United States. Administration for Children, Youth, and Families","Caring for children in low-income families : a substudy of the National child care survey, 1990 : a National Association for the Education of Young Children (NAEYC) study",,"Urban Institute Press,Distributed by University Press of America",1993,Urban Institute report,,"0877665869,0877665877",,https://cir.nii.ac.jp/crid/1130282269845627264