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 "Tucker, Archibald Norman and Bryan, Margaret Arminel and Westphal, Ernst (Ernst O. J.)",The non-Bantu languages of North-Eastern Africa,,Routledge,2018,Linguistic surveys of Africa,,9781138096707,,https://cir.nii.ac.jp/crid/1130282269429325952