Ferguson, Charles. 1971. Absence of copula and the notion of simplicity. In Hymes, Dell (ed.), Pidginization and creolization of languages, 141-50. Cambridge: Cambridge University Press.
@incollection{ferguson1971, address = {Cambridge}, author = {Ferguson, Charles}, booktitle = {Pidginization and creolization of languages}, editor = {Hymes, Dell}, key = {Ferguson 1971}, pages = {141-50}, publisher = {Cambridge University Press}, title = {Absence of copula and the notion of simplicity}, year = {1971} }