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
"Cordts, Anna D.",Iowa plan of observation and practice teaching in the training of rural teachers,,"Dept. of the Interior, Bureau of Education",1923,Rural school leaflet,,,,https://cir.nii.ac.jp/crid/1130282272036569984