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 Singapore. Ministry of Education. Pre-School Unit and Singapore. Ministry of Education,Putting principles into practice,,"Pre-School Unit, Ministry of Education,Early Childhood Pubications [Distributor]",2003,Nurturing early learners,,9812335706,,https://cir.nii.ac.jp/crid/1130000798106342784