@incollection{719844,
  address    = {Cambridge},
  author     = {Yakpo, Kofi},
  booktitle  = {Uniformitarianism in language speciation: From creolistics to genetic linguistics},
  editor     = {Salikoko Mufwene and Enoch O Aboh},
  pages      = {337–393},
  publisher  = {Cambridge University Press},
  title      = {The evolution of copula systems in West African Pidgin: A uniformitarian perspective},
  year       = {2025},
  hhtype     = {overview;comparative;minimal},
  inlg       = {English [eng]},
  lgcode     = {Krio [kri], Pichi [fpe], Ghanaian Pidgin English [gpe], Cameroon Pidgin [wes], Nigerian Pidgin [pcm]},
  macro_area = {Africa},
  src        = {hh}
}