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 "Stoph, Willi and Intertext, Fremdsprachendienst der DDR","Statement by the chairman of the GDR Council of Ministers, Willi Stoph, in support of the 1986 national economic plan : 1986 National Economic Plan Act adopted by the People's Chamber of the GDR on 29 November 1985",,Panorama DDR,1985,Documents on the policy of the German Democratic Republic,,,,https://cir.nii.ac.jp/crid/1130282270868258432