Ricardo Bulmez, Urania
$15.00
F. Villasmil - M. Villasm, Libreria Europa
$1.00
D. Zill - P. Shanahan, Cengage Learning
$74.14
Luis Peru de Lacroix
$1.00
Gaceta No 5.022, Njr
$2.00
Gaceta Nº 5.940, Ml
$3.00
Angel R. Fajardo H., Editorial Nus Caracas
$5.40