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
"Bashir Salau, Mohammed",Plantation slavery in the Sokoto Caliphate : a historical and comparative study,,University of Rochester Press,2018,Rochester studies in African history and the diaspora,,9781580469388,,https://cir.nii.ac.jp/crid/1130282272350569088