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 United States. Federal Board for Vocational Education,"Report of study of possibilities of employment of handicapped persons in Minneapolis, Minnesota : a report of methods followed in making the investigation and of the essential general findings of the survey, June, 1930",,"Federal Board for Vocational Education,U.S. G.P.O.",1930,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000793753941376