Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Hajnal, Peter I.",Directory of United Nations documentary and archival sources,,"Academic Council on the United Nations System,Kraus International Publications,United Nations",1991,Reports and papers,,"9211004551,0527373214",,https://cir.nii.ac.jp/crid/1130282270734701824