Laudon, Kennth C. <br/><br/>
Essentials business information systems / 
Kenneth C. Laudon, Jane P. Laudon. 
 - 7a. th ed. 
 - New Jersey :  Pearson Educaton,  2007. 
 - Pag. var. :  il. ;  27 cm 
<br/><br/><label>ISBN: </label>0132277816 9780132277815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Negocios.