@incollection{Halliday96-lit,
  author	= {Halliday, M. A. K.},
  editor	= {Hasan, Ruqaiya and Williams, Geoff},
  year		= {1996},
  title		= {Literacy and linguistics: A functional perspective},
  booktitle	= {Literacy in society},
  publisher	= {Longman},
  address	= {London}
}