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
"Harff, Barbara and Gurr, Ted Robert",Ethnic conflict in world politics,2nd ed,Westview Press,2004,Dilemmas in world politics,,"0813398401,0813341078",,https://cir.nii.ac.jp/crid/1130000797072145408