Zill, Dennis G. <br/><br/>
Algebra y Trigonometrķa./ 
Zill, Dennis G., Jacqueline Dewars. 
 - Buenos Aires  McGraw Hill  2000 
 - 657p.  22*27.5 cm 
<br/><br/><label>ISBN: </label>958-41-0162-5 
<br/><br/><label>Universal Decimal Class. No.: </label>512