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 "Erdos, Renée F. and Clark, John H., fl. 1970","Correspondence courses for in-service teacher training at primary level in developing countries : report of a meeting of International Experts, Hamburg, September 1970",,Unesco Institute for Education,1971,International studies in education,,,,https://cir.nii.ac.jp/crid/1130000797335711488