Bills, Garland. D. and Vallejo, C. Bernardo and Troike, Rudolph C. 1969. An Introduction to Spoken Bolivian Quecha. Austin: University of Texas Press for Institute of Latin American Studies.
@book{bills_etal1969,
address = {Austin},
author = {Bills, Garland. D. and Vallejo, C. Bernardo and Troike, Rudolph C.},
publisher = {University of Texas Press for Institute of Latin American Studies},
title = {An Introduction to Spoken Bolivian Quecha},
year = {1969}
}