@book{powlison1995,
  address   = {Lima},
  author    = {Powlison, Paul},
  journal   = {Serie Lingüística Peruana},
  pages     = {771},
  publisher = {Ministerio de Educación and Instituto Lingüístico de Verano},
  series    = {Serie Lingüística Peruana},
  title     = {Diccionario Yagua - Castellano},
  url       = {http://www.sil.org/americas/peru/html/pubs/show_work.asp?id=590},
  volume    = {35},
  year      = {1995}
}