Gifford, Douglas. Time Metaphors in Aymara and Quechua. St. Andrews: University of St. Andrews, 1986.
Guzmán de Rojas, Iván. Logical and Linguistic Problems of Social Communication with the Aymara People. Manuscript report / International Development Research Centre, 66e. [Ottawa]: International Development Research Centre, 1985.
Hardman, Martha James. The Aymara Language in Its Social and Cultural Context: A Collection Essays on Aspects of Aymara Language and Culture. Gainesville: University Presses of Florida, 1981. ISBN 0-8130-0695-3
Hardman, Martha James, Juana Vásquez, and Juan de Dios Yapita. Aymara Grammatical Sketch: To Be Used with Aymar Ar Yatiqañataki. Gainesville, Fla: Aymara Language Materials Project, Dept. of Anthropology, University of Florida, 1971.
