@incollection{sGustafsonGuarani,
  address   = {La Paz},
  author    = {Gustafson, Bret},
  booktitle = {Oriente},
  editor    = {Muysken, Pieter and Crevels, Mily},
  pages     = {307-368},
  publisher = {La Paz: Plural Editores},
  series    = {Lenguas de Bolivia},
  title     = {Guaraní},
  volume    = {3},
  year      = {2014}
}