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) Stefan WRBKA,THE PROPOSAL FOR AN OPTIONAL COMMON EUROPEAN SALES LAW : A STEP IN THE RIGHT DIRECTION FOR CONSUMER PROTECTION?,EUIJ-Kyushu review,21868239,Fukuoka : European Union Institute in Japan,2011,1,,87-121,https://cir.nii.ac.jp/crid/1524232504678563328,