Sharma & Rickford 2009

Sharma, Devyani and Rickford, John R. 2009. AAVE/Creole copula absence: A critique of the imperfect learning hypothesis. Journal of Pidgin and Creole Languages 24. 53-90.

@article{sharmarickford2009,
  author  = {Sharma, Devyani and Rickford, John R},
  journal = {Journal of Pidgin and Creole Languages},
  number  = {1},
  pages   = {53-90},
  title   = {AAVE/Creole copula absence: A critique of the imperfect learning hypothesis},
  volume  = {24},
  year    = {2009}
}