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
"Levtzion, Nehemia",Muslims and chiefs in West Africa : a study of Islam in the Middle Volta Basin in the pre-colonial period,,Clarendon Press,1968,Oxford studies in African affairs,,0198216394,,https://cir.nii.ac.jp/crid/1130000794965822336