Abrahamson, Arne. 1962. Studies in Ecuadorian Indian languages. In Benjamin F. Elson (ed.) 1. 217-247. Summer Institute of Linguistics of the University of Oklahoma.
@inbook{Abrahamson1962, author = {Abrahamson, Arne}, chapter = {Cayapa: Grammatical Notes and Texts}, editor = {Benjamin F. Elson}, pages = {217-247}, publisher = {Summer Institute of Linguistics of the University of Oklahoma}, title = {Studies in Ecuadorian Indian languages}, volume = {1}, year = {1962} }