Ashby, Patricia. <br/><br/>
Speech sounds / 
Patricia Ashby. 
 - 2nd ed. 
 - London ;  New York :  Routledge,  2005. 
 - xi, 121 p. :  ill. ;  24 cm. 
 - Language workbooks .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0415085713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phonetics.
<br/><br/><label>LC Class. No.: </label>P221  / .A78  2005