Ruth Bernstein <br/><br/>
Bíologia 

 - 10a ed. 
 - Bógota CO  McGraw-Hill  1998 
 - 729 p. 
<br/><br/><label>ISBN: </label>958-600-770-7 
<br/><br/><label>Dewey Class. No.: </label>570  / B45