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 "Voll, John Obert and Fluehr-Lobban, Carolyn and Lobban, Richard",Historical dictionary of the Sudan,2nd ed,Scarecrow Press,1992,African historical dictionaries,,0810825473,,https://cir.nii.ac.jp/crid/1130000794808877312