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
"Fodor, István",The problems in the classification of the African languages : methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg,3rd ed.,Center for Afro-Asian Research of the Hungarian Academy of Sciences,1969,Studies on developing countries,,,,https://cir.nii.ac.jp/crid/1130000794543513600