Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 2nd ed 
 - Oxford :  Blackwell,  1992. 
 - [viii], 400 p :  10 figs., 30 tabs., 2 maps ;  25 cm. 
 - Blackwell textbooks in linguistics ; .
<br/><br/><label>ISBN: </label>0631183531 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics