Gaston A. Perez U., San Pablo

$5.00

Jose Saban Ruiz, Diaz de Santos

$80.00

Gaceta Nº 40.132, Njr

$2.00

Naisbitt & Aburdene, Norma

$7.00

Francis A. Carey, Mcgraw Hill

$35.70

Dario Linares Hernandez, Dl Editoriales

$8.91

Michael S. Nussbaum, Lippincott

$140.00

A. Decherney - N. Laufer, Mcgraw Hill

$110.00

Gaceta Nº 38.596, Njr

$2.85

Gaceta N. 39.573, R Grafica

$2.30

Njr, Njr

$3.80

Fernando Villasmil B., Libreria Europa

$6.00

$6.00

Rolando Arellano Cueva, Mcgraw Hill

$49.00

Veronica Roth, Rba

$14.00

K. Wark- D. Richard, Mcgraw Hill

$50.00

Eric Lindley, Anaya

$17.54

Gaceta Nº 39.823, Njr

$1.40

Gaceta Nº 6.152, Njr

$2.00

Gaceta Nº 6.153, Njr

$2.00

Daniel Goleman, Javier Vergara

$10.00

Wayne W. Dyer, Grijalbo

$28.00

K. Grichnik - C. Winkler, Mcgraw Hill

$20.00

Kris Jamsa, Mcgraw Hill

$15.00

Gaceta Nº, la Piedra

$2.00

Augusto Cury, Planeta

$10.00

Gaceta Nº 37.125, la Piedra

$2.00

Zbigniew Kozikowski, Mcgraw Hill

$59.00

L. Sagols - J. Linares, Mcgraw Hill

$21.00

Gaceta Nº 39.493, Njr

$3.00