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) Hajime Uchikawa and Terry Wacholtz and John Lenihan,Case Study : Is a speech contest for the purpose of improving language skills really worth the effort?,国際英語学部紀要 = Journal of College of World Englishes,13480162,名古屋 : 中京大学国際英語学部,2011,14,,53-64,https://cir.nii.ac.jp/crid/1520853833783129216,