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,Agricultural education : organization and administration,Rev. ed,[U.S. G.P.O.],1930,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000797067035264