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. Bureau of Labor Statistics,Effect of defense program on employment situation in elementary and secondary school teaching,,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off",1951,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282273075609344