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),The Constitution of the socialist state of the German nation,,Verlag Zeit im Bild,1968,Documents on the national policy of the GDR,,,,https://cir.nii.ac.jp/crid/1130000794679647360