Zimmer, Marc. <br/><br/>
Effective presentations / 
Marc Zimmer. 
 - London :  Sphere Books,  1987. 
 - vii, 102 p. :  ill. 
<br/><br/><label>ISBN: </label>0722123515 
<br/><br/><label>LCCN: </label>88900862     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking.<br/>Persuasion (Rhetoric).