Commercial Typwritting With Text Processing 
by Walmsley's,. 
 - Eleventh edition 
 - England,  Longman Group Limited,  1996. 
 - 131p. 
<br/><br/><label>ISBN: </label>0-582-28693-x 
<br/><br/><label>LC Class. No.: </label>Z49   / .W23 1996