M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
K. Arndt - J. Hsu, Lippincott
$69.29
Toyn F. Villar V., Libra
$10.80
Gaceta Nº 39.688, Njr
$2.00
Tatiana B. de Maekelt, Ciencias Politicas
$6.50
Luciano Lupini Bianchi, Ciencias Politica
$6.00
Jorge A. Viloria, Ediluz
$10.87
Roberto H. Frank, Mcgraw Hill
$32.00