Smith, David M. <br/><br/>
Sociolinguistics in crosscultural analysis. 

 - Washington, Estados Unidos   Georgetown University Press.  1972 
 - vi, 127 p. 23 cm.     
<br/><br/><label>Subjects--Topical Terms: </label><br/>LENGUAS - ASPECTOS SOCIALES.
<br/><br/><label>Dewey Class. No.: </label>401/Sm54s