Crosslingistic influence in second language acquisition 
Edi: Eric Kellerman and Michael Sharwood Smith 
 - 1th ed. 
 - Oxford  Pergamon Institute of English  1986 
 - 206 p.  24 cm. 
<br/><br/><label>ISBN: </label>0080303250 
<br/><br/><label>Dewey Class. No.: </label>401.9 CRO