Bases of language intervention 
edited by Richard L. Schiefelbusch, technical editors, Robert Hoyt, Marilyn Barket. 
 - Baltimore  University Park Press  1978. 
 - 476 p.  ill. 
 - Language intervention series  v. 1 .
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>77028632 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Speech Disorders