David Wechsler, Paidos

$7.89

Ricardo Gil Otaiza, San Pablo

$5.00

V. Mir - D. Corominas, Narcea

$5.00

$8.50

Agustin de la Herran, Mcgraw Hill

$30.00

Beatriz Goris, Homosapiens

$6.50

$8.50

$7.00

Jorge Ullua, Homosapiens

$5.80

$8.00

$9.57

$12.00

$8.50