Riper,  Charles Van & Emerick,  Lon, <br/><br/>
Speech correction  An introduction to speech pathology and audiology 

 - 7th ed 
 - Prentice-hall, inc., New Jersey  1984 
 - xi, 468 
<br/><br/><label>ISBN: </label>013829531X 
<br/><br/><label>Dewey Class. No.: </label>616.855 Van/Eme