R. Ahumada - A.montenegro, Trillas
$8.75
P. Montoya - M. Ramirez, Mcgraw Hill
$12.00
Roberto H. Frank, Mcgraw Hill
$32.00
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
Teddy Milano, Panapo
$11.30
Allan Brewer- Carias, Juridica Venezolana
$10.87
Gabriel A. Cabrera Ibarra, Vadell Hermanos
$7.00
Gaceta No. 6.209, Ml, C.a.
$1.50
Angel R. Fajardo H., Editorial Nus Caracas
$5.40