COOMBS, W.  Timothy. <br/><br/>
Ongoing crisis communication  planning, managing and responding  xiii, 240p. : ill. 
W. Timothy Coombs 
 -  4th ed.  
 -  Sage Publications  2015 
<br/><br/> “It includes references and index” 
<br/><br/><label>ISBN: </label>978-1-4522-6136-2