Eduardo Rosset Cardenal, Publisher Fifth Avenue
$4.80
Adriana Torres H., Trillas
$10.40
Gaceta Nº 5.805, Njr
$2.00
Hector Ramon Peñaranda Q., Luz
$10.00
K. Arndt - J. Hsu, Lippincott
$69.29
Gaceta Nº 39.688, Njr
$2.00
Pablo Corral Anuarbe, Mcgraw Hill
$41.52