Swanton, John R. 1940. Linguistic Material from the Tribes of Southern Texas and Northeastern Mexico. (Smithsonian Institution, Bureau of American Ethnology Bulletin, 127.) Washington, DC: United States Government Printing Office.
@book{sinnemakizeromarking-Swanton1940, address = {Washington, DC}, author = {Swanton, John R.}, publisher = {United States Government Printing Office}, series = {Smithsonian Institution, Bureau of American Ethnology Bulletin}, title = {Linguistic Material from the Tribes of Southern Texas and Northeastern Mexico}, volume = {127}, year = {1940} }