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
"Ulbricht, Walter","Protocol of the press conference by Walter Ulbricht, chairman of the council of state of the German Democratic Republic and first secretary of the central commitee of the Socialist Unity Party of Germany on 19 January 1970 in the capital of the GDR",,Verlag Zeit im Bild,1970,Documents on the national and international policy of the GDR,,,,https://cir.nii.ac.jp/crid/1130000795198708608