Spolsky, Bernard <br/><br/>
Conditions for second language learning :  introduction to a general theory / 
Bernard Spolsky. 
 - Oxford :  Oxford University Press,  1989. 
 - x, 272 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p244-264. - Includes index 
<br/><br/><label>ISBN: </label>0194370631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching--Social aspects<br/>Sociolinguistics