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
"Khānī, Aḥmad and Gandi, Kabir Ahmed",State and society in the Sokoto Caliphate,,Published by Usmanu Danfodiyo University for Sultan Ibrahim Dasuki Foundation,1990,Usmanu Danfodiyo University series,,9783133411,,https://cir.nii.ac.jp/crid/1130000797936741760