explanation in linguistics  : the logical problem of language acquisition 
/ ed. by Norbert Hornstein, david Lightfoot 
. - London  New York  : Longman, 1981
. - 288 p.  ; 22 cm. 
 - Longman linguistics library  25 .
<br/><br/>Bibliogr, index 
<br/><br/><label>ISBN: </label>0582291151 
<br/><br/><label>Source: </label> Don britanique 
<br/><br/><label>Universal Decimal Class. No.: </label>801.