Laudon, Kenneth C. Essentials of business information systems / Kenneth C. Laudon and Jane P. Laudon. - 8th ed. - Upper Saddle River, N.J. : Pearson/Prentice Hall, c2009. - xxiii, 441 p. : col. ill. ; 29 cm. Includes bibliographical references and index. ISBN: 9780135013533 Subjects--Topical Terms: Management information systems. Dewey Class. No.: 658.4038011 / LAU