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 "Judge, Anthony J. N. and Project on Goals, Processes, and Indicators of Development","Representation, comprehension and communication of sets : the role of number",,United Nations University,1980,UNUP,,9280801333,,https://cir.nii.ac.jp/crid/1130000795335539584