Lightfoot, David. <br/><br/>
How to set parameters :  arguments form language change / 
David Lightfoot. 
 - Cambridge, Mass. :  MIT Press,  1991. 
 - xi, 214 p. :  ill. ;  24 cm. 
<br/><br/> 'A Bradford book.' 
<br/><br/>Includes bibliographical references (p. 199-210) and index. 
<br/><br/><label>ISBN: </label>0262121530 
<br/><br/><label>LCCN: </label>90-013513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language acquisition.<br/>Linguistic change.<br/>Grammar, Comparative and general.