Firth, J. R. <br/><br/>
The tongues of Men : Speech 

 - London  Oxford University  1966 
 - 211 p 
 - Language and language learning .
<br/><br/><br/>Inglés 
<br/><br/><label>Subjects--Topical Terms: </label><br/>/LINGUISTICA/FONETICA; LINGUISTICA HISTORICA/REVISADO/