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
"Schaefer, Ronald P. and Egbokhare, Francis O.",A dictionary of Emai : an Edoid language of Nigeria : including a grammatical sketch,,R. Köppe,2007,Westafrikanische Studien,,9783896454683,,https://cir.nii.ac.jp/crid/1130000793700891392