Castells, de Olivella Matilde  <br/><br/>
Mosaicos   Spanish as a world language  
Matilde Olivella de Castells ... [et al.]. 
 - 4th ed. 
 - Upper Saddle River, NJ :  Pearson Prentice Hall,  c2006. 
 - xxv, 557, A58 p.   29 cm. 
<br/><br/><label>ISBN: </label>0131544209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language
<br/><br/><label>Dewey Class. No.: </label>468.2421  / CAS