C. Pelekais - P. Gonzalez, Cira Pelekais
$6.52
Juan Rafael Perdomo, Libreria J. Rincon
$8.91
R. Hyatt - P. Scanlon, Lippincott
$23.50
Roberto H. Frank, Mcgraw Hill
$32.00
Carlos Moros Puentes, Juridicas Rincon
$6.00
J. Badillo-r. Rodriguez, Limusa Noriega Editores
$28.00