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
"U. S. . Dept. of the Army and Nelson, Harold D and Kaplan, Irving, and American University. Foreign Area Studies","Ethiopia, a country study",3rd ed.,U.S. Govt. Print. Off.,1981,Area handbook series,,,,https://cir.nii.ac.jp/crid/1130282273041110528