@article{oai:barrel.repo.nii.ac.jp:00000650,
 author = {Yoshida, Naoki},
 journal = {小樽商科大学人文研究},
 month = {Sep},
 pages = {97--117},
 title = {The Hybrid Reality of The Beggar’s Opera},
 volume = {114},
 year = {2007}
}