Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Shudo, Kneller Sachiko",The pragmatic constraint on the usage of janaidesuka and its implication for politeness strategies,Lingua,09159649,上智大学一般外国語教育センター,2000-11-01,,11,201-213,https://cir.nii.ac.jp/crid/1050564289110129536,