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
"Osaghae, Eghosa E.","Ethnicity, class and the struggle for state power in Liberia",,CODESRIA,1996,Monograph series,,,,https://cir.nii.ac.jp/crid/1130282273328675584