Roberto H. Frank, Mcgraw Hill

$38.40

F. Mochon - V. Carreon, Mcgraw Hill

$52.80

W. Nicholson - C. Snyder, Cengage

$114.78

Parkin - Esquivel, Pearson

$57.39

Carrasco, Mcgraw Hill

$50.40

Case - Fair, Prentice Hall

$33.60