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). Ministerrat and Sozialistische Einheitspartei Deutschlands. Zentralkomitee,GDR makes gesture of good will : joint decision of the Political Bureau of the Central Committee of the SED and the Council of Ministers of the German Democratic Republic : decree on the temporary entry of permanent residents of Berlin (West) into the German Democratic Republic of 23 February 1972,,Verlag Zeit im Bild,1972,Documents on the policy of the German Democratic Republic,,,,https://cir.nii.ac.jp/crid/1130282270494239104