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,"Petroleum industry, prices, profits, and competition : letter from vice chairman of the Federal Trade Commission transmitting in response to Senate resolution no. 31, Sixty-ninth Congress, a report on prices, profits, and competition in the petroleum industry",,U.S. G.P.O.,1928,Document,,,,https://cir.nii.ac.jp/crid/1130282270120298496