Alberto Arias Amaro, Romor
$7.00
Roberto H. Frank, Mcgraw Hill
$32.00
Pablo Corral Anuarbe, Mcgraw Hill
$41.52
Cira de Pira de Pelekais, Cira de Pelekais
$15.00
Varios, los Angeles Editores
$14.20
Magaly Perretti de Parad, Alvaro Nora
$7.72
Margarita A. de Sanchez, Trillas
$10.00