Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Nationale Front des Demokratischen Deutschland and Intertext, Fremdsprachendienst der DDR","For peace and security in Europe and the whole world : speeches and documents from the Congress of the National Front of Democratic Germany held on March 21 and 22, 1969, in Berlin, the capital of the German Democratic Republic",,Verlag Zeit im Bild,1969,Documents on the national and international policy of the GDR,,,,https://cir.nii.ac.jp/crid/1130282269492842240