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
"Mekacha, Rugatiri D. K.",The sociolinguistic impact of Kiswahili on ethnic community languages in Tanzania : a case study of Ekinata,,"E. Breitinger, Bayreuth University",1993,Bayreuth African studies series,,3927510254,,https://cir.nii.ac.jp/crid/1130282270742703360