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
"Knappert, Jan",Epic poetry in Swahili and other African languages,,E.J. Brill,1983,Nisaba,,9004068775,,https://cir.nii.ac.jp/crid/1130282271371899008