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
"Barbosa, Pilar and Paiva, Maria da Conceição de and Rodrigues, Celeste",Studies on variation in Portuguese,,John Benjamins Publishing,2017,Issues in Hispanic and Lusophone linguistics,,9789027258137,,https://cir.nii.ac.jp/crid/1130000794561313920