Preston, Dennis Richard <br/><br/>
Sociolinguistics and second language acquisition / 
Dennis R. Preston 
 - Oxford :  B. Blackwell,  1989 
 - xv, 326 p. :  ill. ;  23 cm. 
 - Language in society ;  14 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0631152458 :  USD 10.95 063115247 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Variation<br/>Second language acquisition<br/>Language and languages--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>401.9