Aikhenvald, Alexandra Y. 1999. Areal Diffusion and Language Contact in the Içana-Vaupés Basin, North-West Amazonia. In Dixon, R. M. W. and Aikhenvald, A. Y. (eds.), The Amazonian Languages, 384–416. Cambridge: Cambridge University Press.
@incollection{aikhenvald1999areal, address = {Cambridge}, author = {Aikhenvald, Alexandra Y.}, booktitle = {The Amazonian Languages}, editor = {Dixon, R. M. W. and Aikhenvald, A. Y.}, pages = {384–416}, publisher = {Cambridge University Press}, title = {Areal Diffusion and Language Contact in the Içana-Vaupés Basin, North-West Amazonia}, year = {1999} }