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
State University of Iowa. Bureau of Audio-Visual Instruction,"Catalog of audio-visual aide for educational use, 1950-1951",,State University of Iowa,1949,Bulletin of the State University of Iowa,,,,https://cir.nii.ac.jp/crid/1130282271249310208