APA (7e ed.) Bronvermelding

Aspelin, P. L., & Dos Santos, S. C. (1981). Indian areas threatened by hydroelectric projects in Brazil. International Work Group for Indigenous Affairs.

Chicago (17e ed.) Bronvermelding

Aspelin, Paul Leslie, en Sílvio Coelho Dos Santos. Indian Areas Threatened by Hydroelectric Projects in Brazil. Copenhagen: International Work Group for Indigenous Affairs, 1981.

MLA (9e ed.) Bronvermelding

Aspelin, Paul Leslie, en Sílvio Coelho Dos Santos. Indian Areas Threatened by Hydroelectric Projects in Brazil. International Work Group for Indigenous Affairs, 1981.