M. Velhagen - E. Calderon, Trillas
$6.00
Horacio Garcia Belsunce, Depalma
$9.26
J. Granero - M. Ferrando, Fc Editorial
$34.00
D. Eiteman - A. Stonehill, Prentice Hall
$35.00
Gaceta Nº 39.688, Njr
$2.00
Oscar Hernandez Alvarez, Aiadtss
$7.00