GFFEY,Mary Ellen. <br/><br/>
Essentials of Communication/ 
Mary Ellen Guffey and Dana Loewy. 
 - 11th edition. 
 - Boston,  Cengage Learning,  c2019. 
 - xix,482p.:  ill.; 
<br/><br/> Includes notes and index. 
<br/><br/><label>ISBN: </label>9781337386494 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Businness.<br/>Communication.
<br/><br/><label>Dewey Class. No.: </label>808