Richards J C <br/><br/>
Error analysis    Perspectives on second language acquisition 
Richards J C 
 - London  Longmans `        1974 
 - x, 288p.  cm. 
<br/><br/><label>Standard No.: </label>51,465 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LINGUISTICS
<br/><br/><label>Dewey Class. No.: </label>P111,9, L4-;1