@article{oai:shotoku.repo.nii.ac.jp:00000874,
 author = {Crosby, Ron and Prescod, Randy},
 journal = {岐阜聖徳学園大学紀要. 外国語学部編, The annals of Gifu Shotoku Gakuen University. Faculty of Foreign Languages},
 month = {Feb},
 pages = {15--21},
 title = {Effects of Bilingualism on Cognitive Abilities},
 volume = {48},
 year = {2009}
}