Klumpp, James W. and Klumpp, Deloris A. 1973. Sistema fonol'ogico del piratapuyo. In, 107–20. Bogotá: Ministerio de Gobierno.
@incollection{2058_klumppetal1973, address = {Bogotá}, author = {Klumpp, James W. and Klumpp, Deloris A.}, pages = {107–20}, publisher = {Ministerio de Gobierno}, series = {Sistemas fonol'ogicos de idiomas Colombianos}, title = {Sistema fonol'ogico del piratapuyo}, volume = {2}, year = {1973} }