Ewan W. Anderson, International Boundaries: A Geopolitical Atlas, Guyana, page 37, ISBN9781579583750, 2003
oas.org
Kevin H. De Cuba, Department for Sustainable Development (DSD) / The Organization of American States (OAS), Towards Sustainable Energy production and use in the lands inhabited by the Trio and Wayana peoples in the Suriname-Brazil border, 4.3.1 Micro hydro power in Kwamalasamutu, page 52, 2003 (in Dutch)
web.archive.org
Dr. Eithne B. Carlin, Indianen in Suriname(in Dutch), Talen en Culturen van Indiaans Amerika (TCIA) / Leiden University Centre for Linguistics (LUCL)