Corbett, Greville C. 2005b. Sex-based and non-sex-based gender systems. In WALS, 130-33.
@incollection{corbett2005b, author = {Corbett, Greville C}, booktitle = {WALS}, key = {Corbett 2005b}, pages = {130-33}, title = {Sex-based and non-sex-based gender systems}, year = {2005b} }