Ehninger, Douglas <br/><br/>
Principles and types of speech Commnication / 
Douglas Ehninger, Bruce E. Gronbeck, Ray E. McKerrow, Alan H. Monroe 
 - 9th ed. 
<br/><br/> College of Education  Bachelor of Elementary Education 
<br/><br/><label>ISBN: </label>0673155382 
<br/><br/><label>Dewey Class. No.: </label>808.51 P93