@book{Scott-etal68,
  author	= {Scott, F. S. and Bowley, C. C. and Brocket, C. S. and Brown, J. G. and Goddard, P. R.},
  year		= {1968},
  title		= {English Grammar: A Linguistic Study of its Classes and Structures},
  publisher	= {Heineman Educational Books},
  address	= {London}
}