@article{oai:kansai-u.repo.nii.ac.jp:00004142,
 author = {紙谷, 榮治},
 issue = {4},
 journal = {關西大學文學論集},
 month = {Mar},
 pages = {1--38},
 title = {様態を表す「そうな」から「ようだ」への推移},
 volume = {55},
 year = {2006}
}