L. Salazar - C. Navarro, Santillana
$4.80
William I. Correa Suarez, Livrosca
$6.17
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
Gaceta 37.378, Rgrafica
$0.20
M. Width - T. Reinhard, Lippincott
$25.00
Gaceta Nº 39.553, Njr
$2.00
Allan Brewer- Carias, Juridica Venezolana
$10.87
Omar Rodriguez Aguero, Atenea
$7.17