@incollection{Scollon79,
  author	= {Scollon, R.},
  editor	= {Ochs, E. and Schieffelin, B.},
  title		= {A real early stage: an unzippered condensation of a dissertation on child language},
  year		= {1979},
  title		= {Propositions across Utterances and Speakers},
  booktitle	= {Developmental Pragmatics},
  publisher	= {Academic Press},
  address	= {New York}
}