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
"Stern, H. H. (Hans Heinrich)",Foreign languages in primary education : the teaching of foreign or second languages to younger children,,Unesco institute for education,1963,International studies in education,,,,https://cir.nii.ac.jp/crid/1130000797964311424