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
"Leushina, A. M. and Steffe, Leslie P.",The development of elementary mathematical concepts in preschool children,,National Council of Teachers of Mathematics,1991,Soviet studies in mathematics education,,0873532996,,https://cir.nii.ac.jp/crid/1130282271280269952