Roberto H. Frank, Mcgraw Hill

$38.40

W. Nicholson - C. Snyder, Cengage

$114.78

Case - Fair, Prentice Hall

$33.60

Parkin - Esquivel, Pearson

$57.39

F. Mochon - V. Carreon, Mcgraw Hill

$52.80

Carrasco, Mcgraw Hill

$50.40