Black, Sam (editor) <br/><br/>
The practice of public relations 

 - 4th ed. 
 - London ;  Butterworth,  1995. 
 - xxv,186p. : 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0750623187 
<br/><br/><label>LC Class. No.: </label>HD59  / P88 1995