O'Brien, James A. Management information systems / James A. O'Brien, George M. Marakas - 9th ed. - Boston : McGraw-Hill Irwin, c2009 - xxxii, 659 p. : col. ill., col. maps ; 29 cm. Includes bibliographical references (p. 613-622) and indexes ISBN: 9780073376769 (alk. paper) 0073376760 (alk. paper) Subjects--Topical Terms: Management information systems