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,"Open-price trade associations : letter from the chairman of the Federal Trade Commission transmitting in response to Senate resolution no. 28 (sixty-ninth Congress, special session) a report on open-price trade associations",,U.S. Govt. Print. Off.,1929,Document,,,,https://cir.nii.ac.jp/crid/1130282272971481984