@article{oai:occ.repo.nii.ac.jp:00000019,
 author = {堀内, 夕子 and Horiuchi, Yuko},
 journal = {大阪キリスト教短期大学紀要, Bulletin of Osaka Christian College and   Seminary},
 month = {Oct},
 pages = {138--145},
 title = {Problems with Vowel Pronunciation},
 volume = {55},
 year = {2015},
 yomi = {ホリウチ, ユウコ}
}