1. Guaranteeing Indigenous People’s Rights in Latin America: Progress in the Past Decade and Remaining Challengeshttps://repositorio.cepal.org/bitstream/handle/11362/37051/4/S1420782_en.pdf
2. How Many Languages Are Spoken in Bolivia?http://www.apcbolivia.org/noticias/noticia.aspx?fill=56190&t=%C2%BFcu%C3%A1ntas-lenguas-se-hablan-en-bolivia?
3. Bolivia: Political Constitution of the State: Approved by Constituent Assembly of Bolivia, 10 December 2007, and ratified 25 January 2009, by Popular Referemdum/Promulgated by Evo Morales Ayma, Constitutional President of the Republic, 7 February 2009,2009
4. Organization of American States: American Declaration on the Rights of Indigenous Peoples: Adopted by General Assembly at the Thirds Plenary Session, Held on June 15, 2016, AG/RES.2888 (XLVI-O/16),2016