Winford, Donald. 1990. Copula variability, accountability, and the concept of "polylectal" grammars. Journal of Pidgin and Creole Languages 5. 223-252.
@article{1600, author = {Winford, Donald}, journal = {Journal of Pidgin and Creole Languages}, key = {Winford 1990b}, pages = {223-252}, title = {Copula variability, accountability, and the concept of "polylectal" grammars}, volume = {5}, year = {1990} }