Labov, William  . <br/><br/>
Principles of linguistic change /  
William Labov. 
 - U K :   Blackwel Publishers  ,   1994. 
 - NULL :   ill. ;   22cm .  
 - Vol.1- 
<br/><br/>Include reference, index 
<br/><br/><label>ISBN: </label>0631179143  UKP 39.98 
<br/><br/><label>Subjects--Index Terms: </label>LINGUISTICS 
<br/><br/><label>Dewey Class. No.: </label>410  / LAB/P