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
Germany (East). Volkskammer,"Act on the 1981 national economic plan, act on the 1981 state budget plan : decisions of the People's Chamber of the GDR of 17 December 1980",,"Panorama DDR,Distributed by Verlag Zeit im Bild DDR",1981,Documents on the policy of the German Democratic Republic,,,,https://cir.nii.ac.jp/crid/1130282270701033856