@incollection{LiThompson76,
  author	= {Li, Charles and Thompson, Sandra},
  editor	= {Li, Charles},
  year		= {1976},
  title		= {Subject and topic: A new typology of language},
  booktitle	= {Subject and Topic},
  publisher	= {Academic Press},
  year		= {1976},
  address	= {New York}
}