Principles of public speaking / 
Kathleen M. German ... [et al.]. 
 - 18th ed. 
 - Boston, Mass. :  Pearson,  2013. 
 - xxix, 272 p. :  ill. (some col.) ;  26 cm. 
<br/><br/> Ehninger's name appear first on the earlier edition. 
<br/><br/><label>ISBN: </label>9780205211845 (pbk.)  RM293.67 
<br/><br/><label>LCCN: </label>2011-034942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking.