Cox, Robert, ed. <br/><br/>
Environmental communication 

 - London :   Sage,  2016 
 - 4 v. 
<br/><br/> Sage benchmarks in communication. 
<br/><br/><label>ISBN: </label>9781473902527 
<br/><br/><label>Dewey Class. No.: </label>333.72014  / COX-16