Coulmas, Florian. <br/><br/>
Sociolinguistics :  the study of speakers. choices / 
Florian Coulmas. 
 - New York :  Cambridge University Press,  2005. 
 - viii, 263 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references (p. 236-253) and index. 
<br/><br/><label>ISBN: </label>9780521543934 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.