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
"Gunn, H. D. (Harold D.) and Conant, F.P.","Peoples of the middle Niger region, Northern Nigeria",,International African Institute,1960,Ethnographic survey of Africa : Western Africa,,,,https://cir.nii.ac.jp/crid/1130000795031388800