Le Francais a decouvrir 
Helstrom, Jo. 
 - Fourth edition. 
 -  McGraw-Hill Book Company.  1978 
 - 384 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-07-027967-5 
<br/><br/><label>Dewey Class. No.: </label>448.22 H36 1978