Ashby, Patricia <br/><br/>
Speech sounds / 
Patricia Ashby 
 - 2nd ed. 
 - London :  Routledge,  2005 
 - 121 p. :  ill. 
 - Language workbooks .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0415341787 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHONETICS
<br/><br/><label>LC Class. No.: </label>P221  / A832S 2005