Eduardo Rosset Cardenal, Publisher Fifth Avenue
$4.80
Fernando Villasmil B., Libreria Europa
$6.00
Tatiana B. de Maekelt, Ciencias Politicas
$6.50
Victor Genaro Jansen R., Alvaro Nora
$7.00
Jose Peña Solis, Paredes
$10.03
S Berti - S Cordoliani, Fundacion Empresas Polar
$2.25
M. Width - T. Reinhard, Lippincott
$25.00
A. Mclennan - A. Bates, Mcgraw Hill
$32.00
Miguel Angel Ruiz Jimenes, Diaz de Santos
$26.00
Maria Teresa Machado C., Coleccion Conocer
$5.80