@book{2011annabugaevaadiachronicstudyoftheimpersonalpassiveinai,
  title = {A diachronic study of the impersonal passive in Ainu},
  author = {アンナ・ブガエワ},
  year = {2011},
  doi = {10.1075/slcs.124.18bug},
  language = {ain},
  url = {https://doi.org/10.1075/slcs.124.18bug}
}