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
"Salami, L. Oladipo","The social patterning of variation in spoken Yoruba in Ile-Ife, Nigeria",,Supplied by the British Library Document Supply Centre,1987,British thesis service,,,,https://cir.nii.ac.jp/crid/1130282269185798784