Daniel Ruzo, Grijalbo

$1.20

Alcaraz y Otros, Ariel

$10.44

Jorge Enrique Botero, Debate

$6.00

E. Tineo - M. Alfonzo, el Nacional

$0.42

Shere Hite, Prentice Hall

$32.44

Steven E. Landsburg, Taurus

$1.20

$3.58

$1.20

Turkington, Facts On File

$6.00

El Nacional, el Nacional

$2.77

Charles Carney, Planeta

$1.20

Petter Watson, Planeta

$5.40

J.j.benitez, Planeta

$12.00

$3.00

$4.80