John D. Greenwood, Mcgraw Hill

$36.00

Walter Riso, Planeta

$12.00

Fernando L. Gonzalez Rey, Mcgraw Hill

$39.60

Maytee, Hzc

$7.76

Lair Ribeiro, Urano

$12.00

Robert S. Feldman, Mcgraw Hill

$48.00

I. Burk - P. Garcia, Buchivacoa

$8.40