Anderson, S D, Nuttall, C E, Shepherd, J P B & Susilvorn, B J <br/><br/>
Elided forms (auxiliaries and anomalous finites--affirmative) 

 - Longman for the British Council, London  1972 
 - 5 
<br/><br/><label>ISBN: </label>0 582 53890 4 
<br/><br/><label>Dewey Class. No.: </label>428.24 And/Nut