Reference: Arruda 1998

Arruda, Rinaldo S.V. 1998. Rikbaktsá - Indigenous Peoples in Brazil.

https://pib.socioambiental.org/en/Povo:Rikbaktsá

@misc{arruda1998rikbaktsa,
  author = {Arruda, Rinaldo S.V.},
  title  = {Rikbaktsá - Indigenous Peoples in Brazil},
  url    = {https://pib.socioambiental.org/en/Povo:Rikbaktsá},
  year   = {1998}
}