@incollection{Williams-preschool,
  author	= {Williams, G.},
  editor	= {Morais, A. and Davies, B. and Daniels, H.},
  title		= {Literacy pedagogy prior to schooling: Relationships between social positioning and semantic variation},
  booktitle	= {Towards a sociology of pedagogy: The contribution of Basil Bernstein to research},
  publisher	= {Peter Lang},
  year		= {2001},
  address	= {New York}
}