@incollection{Halliday92-context,
  author	= {Halliday, M. A. K.},
  editor	= {Le, Thao and McCausland, Mike},
  year		= {1992},
  title		= {The notion of 'context' in language education},
  booktitle	= {Language development: Interaction and development},
  note		= {Proceedings of the international conference, Vietnam, 30 March - 1 April 1992},
  publisher	= {University of Tasmania},
  address	= {Tasmania}
}