John N. Lindskoog and Carrie A. Lindskoog. 1964. Vocabulario Cayapa. Quito: Summer Institute of Linguistics.
@book{LindskoogLindskoog1964, address = {Quito}, author = {John N. Lindskoog and Carrie A. Lindskoog}, publisher = {Summer Institute of Linguistics}, title = {Vocabulario Cayapa}, year = {1964} }