Clinical linguistics : critical concepts in linguistics 
edited by Thomas W. Powell and Martin J. Ball 
 - New York  Routledge  2009 
 - 409 p. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780415481250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicative disorders<br/>Language disorders<br/>Speech disorders
<br/><br/><label>Dewey Class. No.: </label>616.855 POW