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). Staatliche Zentralverwaltung für Statistik,Good economic achievements in 1971 : the implementation of the 1971 National Economic Plan,,Verlag Zeit im Bild,1972,Documents on the policy of the German Democratic Republic,,,,https://cir.nii.ac.jp/crid/1130282270666421504