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
"Ifiọnụ, Azụbike Obed",Ifo : a study of an Igbo vocal genre,,"Supplied by the British Library, Document Supply Centre",1979,British thesis,,,,https://cir.nii.ac.jp/crid/1130000796484038528