
- Author: Xavier Albó SJ
- Language: Quechua, Spanish
- Year: 1960

- Author: Germán de Granda
- Language: Spanish
- Year: 2001

- Author: Ibarra Grasso Dick Edgar
- Language: Spanish
- Year: 1953

- Author: Ministerio de Educación del Perú (Minedu)
- Language: Quechua
- Year: 2020

- Author: David Pérez Adauto, Vilma Adauto Illanes
- Language: Quechua, Spanish
- Year: 2016

Typological and social constraints on language contact. Amerindian languages in contact with Spanish
pdf
- Author: Gómez Rendón Jorge
- Language: English
- Year: 2008