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
"Gann, Lewis H. and Duignan, Peter","The rulers of German Africa, 1884-1914",,Stanford University Press,1977,Hoover Institution publication,,0804709386,,https://cir.nii.ac.jp/crid/1130000794546437888