Nuttall, C.E. & Higgins, M.F. <br/><br/>
Indirect statements, part - 2: Unit 31 

 - Longman Group Limited, London  1976 
 - Vi, 72pp 
<br/><br/><label>ISBN: </label>0 582 53927 7 
<br/><br/><label>Dewey Class. No.: </label>428.24 Nut/Hig