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 "Kropp Dakubu, M. E. (Mary Esther)",The languages of Ghana,,Kegan Paul International for the International African Institute ; Distributed by Routledge,1988,African languages = Langues africaines,,071030210X,,https://cir.nii.ac.jp/crid/1130282269273842944