Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 3rd ed, 
 - USA :   Blackwell Publishers,   1998. 
 - v, 404p. :  ill. ;  21 cm. 
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<br/><br/><label>ISBN: </label>0631204997 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science.<br/>Development studies.<br/>Social culture.<br/>Social language.<br/>Social linguistics.
<br/><br/><label>Dewey Class. No.: </label>306.44