Richards, C. Jack.  <br/><br/>
Error analysis :  Perspectives on second language acquisition /  English  
ed. Richards, Jack C. 
 - London :  Longman group  Limited,  1974. 
 - x, 228 p. :  ill.;  21 cm. 
<br/><br/> Included bibliography 
<br/><br/><label>ISBN: </label>0582550440 
<br/><br/><label>Dewey Class. No.: </label>418  / RIC