Eduardo Rosset Cardenal, Publisher Fifth Avenue
$4.80
Gaceta Nº 6.209, Njr
$1.80
Idalberto Chiavenato, Mcgraw Hill
$27.00
J. Sanchez - S. Serrano, Diaz de Santos
$25.00
Margarita A. de Sanchez, Trillas
$10.00
Jesus Rodriguez Lastra, Universidad Carabobo
$8.00