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 Great Britain. Foreign Office,"Protocol concerning the accession of Denmark and other Members of the Council of Europe to the Convention concerning Student Employees, signed in Brussels on April 17, 1950",,Her Majesty's Stationary Office,1962,Cmnd,,,,https://cir.nii.ac.jp/crid/1130282270655253888