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,"Investigation of cottonseed industry : letter from the chairman of the Federal Trade Commission : transmitting in response to Senate resolutions no. 136 and no. 147, certain information relative to an investigation of the charges that certain corporations, operating cottonseed-oil mills, are violating the antitrust laws with respect to prices for cottonseed and acquiring the ownership or control of cotton gins",,U.S.G.P.O.,1930,Document,,,,https://cir.nii.ac.jp/crid/1130282269987150720