著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Hirayama Yuto,A Note on Why and How Manners of Acquisition Should Be Analyzed,OUPEL(Osaka University Papers in English Linguistics),09196293,"Department of English Linguistics, Graduate School of Letters, Osaka University",2019-12,19,,45-64,https://cir.nii.ac.jp/crid/1390853649748845824,https://doi.org/10.18910/77242