@incollection{Butler96,
  author	= {Butler, Christopher S.},
  editor	= {Fawcett, Christopher Butler Margaret Berry Robin and Huang, Guowen},
  year		= {1996},
  title		= {On the concept of an interpersonal metafunction in English},
  booktitle	= {Meaning and form: systemic functional interpretations},
  publisher	= {Ablex},
  address	= {Norwood, N.J.}
}