Encyclopedia of Communication and Information: Por-Zoo Index 

 - New York  Gale Group  2002 
 - 1161 pages ;  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0-02-865385-8 
<br/><br/><label>Dewey Class. No.: </label>R/302.203/En1/2002/V3