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
"Williams, J. D. (John David), 1931 June- and Unesco Institute for Education","Mathematics reform in the primary school : a report of a meeting of experts held in Hamburg during January, 1966",,Unesco Institute for Education,1967,International studies in education,,,,https://cir.nii.ac.jp/crid/1130282271408478720