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
"Leiby, Richard A.","The unification of Germany, 1989-1990",,Greenwood Press,1999,Greenwood Press guides to historic events of the twentieth century,,0313299692,,https://cir.nii.ac.jp/crid/1130282271896029568