@article{oai:tsuru.repo.nii.ac.jp:00000587,
 author = {FUKUSHIMA, Saeko},
 issue = {13},
 journal = {都留文科大学大学院紀要, 都留文科大学大学院紀要},
 month = {},
 pages = {13--32},
 title = {Request strategies among equals in Japanese},
 year = {2009}
}