J. Granero - M. Ferrando, Fc Editorial
$34.00
Robert S. Feldman, Mcgraw Hill
$40.00
Gaceta No. 39.627, Ml
$8.00
Lind - Marchal - Wathen, Mcgraw Hill
$51.91
Gaceta Nº 40.106, Njr
$2.00
Mcphee, Mcgrawhill
$72.60
Jose Peña Solis, Paredes
$10.03