Uiversal Typing 
by Mackay,Edith. 
 - Third edition 
 - London,  Pitman Publishing,  1993. 
 - 89p. 
<br/><br/><label>ISBN: </label>0-237-02736-9 
<br/><br/><label>LC Class. No.: </label>Z49   /  .M33 1993