Gonzalo Gerbasi, Alvaro Nora
$9.26
Gaceta Nº 38.433, Njr
$1.26
J. Sanchez - S. Serrano, Diaz de Santos
$25.00
Idalberto Chiavenato, Mcgraw Hill
$27.00
Gaceta Nº 5.805, Njr
$2.00
Luis Eduardo Mendoza, Vadell
$6.00
Francisco J. Gonzalez F., Fc Editorial
$30.00