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. Wickersham Commission,Report on police,[Private reproduction],"U.S. G.P.O. ; For sale by the Supt. of Docs., U.S. G.P.O.",1931,Publications of the National Commission on Law Observance and Enforcement,,,,https://cir.nii.ac.jp/crid/1130000796672368256