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
"Leyew, Zelealem",The Kemantney language : a sociolinguistic and grammatical study of language replacement,,Rüdiger Köppe,2003,Kuschitische Sprachstudien = Cushitic language studies,,3896450670,,https://cir.nii.ac.jp/crid/1130282272707268608