CitasUnicef. "Atlas sociolingüístico de pueblos indígenas en América Latina." Pg. 168. 2009. Accessed September 2021. https://www.unicef.org/lac/media/9791/file/PDF%20Atlas%20sociolinguistico%20de%20pueblos%20ind%C3%ADgenas%20en%20ALC-Tomo%201.pdf
Unicef. "Atlas sociolingüístico de pueblos indígenas en América Latina." Pg. 168. 2009. Accessed September 2021. https://www.unicef.org/lac/media/9791/file/PDF%20Atlas%20sociolinguistico%20de%20pueblos%20ind%C3%ADgenas%20en%20ALC-Tomo%201.pdf