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 Trade Commission and United States. Temporary National Economic Committee,"Reports of the Federal Trade Commission on natural gas and natural gas pipe lines in U.S.A., agricultural implement and machinery inquiry, motor vehicle industry inquiry",,U.S. Govt. Print. Off.,1940,Investigation of concentration of economic power : monograph,,,,https://cir.nii.ac.jp/crid/1130282272566276608