@incollection{HasanPerrett94,
  author	= {Hasan, Ruqaiya and Perrett, Gillian},
  editor	= {Odlin, Terence},
  year		= {1994},
  title		= {Learning to function with the other tongue: a systemic functional perspective on second language teaching},
  booktitle	= {Perspectives on pedagogic grammars},
  publisher	= {Cambridge University Press},
  address	= {New York},
  pages		= {179--226}
}