![book Introducción al quichua de la sierra central del Ecuador o El quechua en diez lecciones fáciles (las otras 40 son más difíciles) = Introduction to Central Highland Quichua of Ecuador or Quichua in ten easy lessons (the other 40 are harder) [1963]](/covers/files_170/2930000/20123b78b317fc383a8888d9b2b18915-g.jpg)
- Author: Ellen M. Ross, Ricardo Asehmann (transl.)
- Language: Spanish English, Quechua
- Year: 2017
- Author: Juan Naula Guacho Donald H. Burns
- Language: Spanish
- Year: 1975
- Author: Pedro P. Guala Ch.
- Language: Quechua
- Year: 1982
- Author: Francisco Lema Guanolema
- Language: Spanish
- Year: 1997
- Author: Ramón Mujica (ed.)
- Language: Spanish
- Year: 2020
- Author: Virginia Zavala, Luis Mujica, Gavina Córdova, Wilfredo Ardito
- Language: Spanish, Quechua
- Year: 2014
- Author: Gerardo Ludeña
- Language: Spanish
- Year: 2019
- Author: Nila Vigil, Roberto Zariquiey
- Language: Quechua, Spanish
- Year: 2004
- Author: César Chaparro, José Ignacio Úzquiza (Eds.)
- Language: Spanish
- Year: 2017
- Author: Ministerio de Justicia y Derechos Humanos del Perú (Minjus), Rosa Alcántara, Pier Carmona, Lizeth Corra, Julissa Cossio, Katerin Guzmán, Romina Mendoza, Óscar Sandoval (eds.)
- Language: Spanish
- Year: 2013