^Academía Mayor de la Lengua Quechua, Diccionario Quechua-Espanol-Quechua, Cusco, Peru 2005 (Quechua Spanish dictionary)
^Jorge Molina Carpio, Daniel Espinoza Romero, Balance hídrico superficial de la cuenca alta del río Pilcomayo, La Paz 2005 (Spanish)
^Inka Wasi Municipality (the southern part of it now belongs to the recently created Villa Charcas Municipality): population data and map showing the river (unnamed) near the village Inka Wasi