J. Vargas - P. Garcia, Romor
$7.13
Frederick Cabrera Conde, Ediciones Mutare
$10.00
H. Gutierrez-r.de la Vara, Mcgraw Hill
$50.00
C. Verde - S. Gentil, Trillas
$20.00
Luis Eduardo Mendoza, Vadell
$1.00
W. Bauer - G. Westfall, Mcgraw Hill
$40.00
Milton & Arnold, Mcgraw Hill
$28.00
A. Brewer - R. Chavero, Juridica Venezolana
$2.00
Carlos A. Ledesma, Buyatti
$27.19