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
"Betts, Emmett Albert and Welch, Carolyn McIlvaine","Teacher's guide book, Second reader program (2-1) : to complement Second reader book (2-1), Down singing river and Second reader study book (2-1)",,American Book,1950,Betts basic readers,,,,https://cir.nii.ac.jp/crid/1130282273307469184