Colson, Greta <br/><br/>
Speech practice/ 
Greta Colson. 
 - 3rd ed. 
 - London:  Pitman Pub.,  1973 
 - 84 p. ;   18 cm. 
<br/><br/><label>ISBN: </label>0273000454 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice culture