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 United States. Office of the Chief of Naval Operations,"Izu and Bonin islands, OPNAV 50E-9",,"Office of the Chief of Naval Operations, Navy Dept.",1944,Civil affairs handbook,,,,https://cir.nii.ac.jp/crid/1130282269364891008