Trudgill, Peter. <br/><br/>
Sociolinguistics :  an introduction / 
Peter Trudgill. 
 - Harmondsworth :  Penguin,  1974. 
 - 189 p. :  ill., maps ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 181-184. 
<br/><br/><label>ISBN: </label> £0.45 
<br/><br/><label>LCCN: </label>74196314  
<br/><br/><label>Nat. Bib. No.: </label>GB74-26263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>LC Class. No.: </label>P40  / .T75 
<br/><br/><label>Dewey Class. No.: </label>306.44 TRU