Ammon, Ulrich, <br/><br/>
Sociolinguistics : 

 -  Walter de Gruyter,  2005. 
 - 903 pages 
<br/><br/><label>ISBN: </label>9783110171488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language Arts & Disciplines.
<br/><br/><label>Dewey Class. No.: </label>306.44  / AMM.2