TY  - BOOK
AU  - Marakas, George M.
AU  - O'Brien, James 
TI  - Introduction to information systems
SN  - 9780071318044
U1  - 658.4038 MAR 
PY  - 2013///
CY  - New York
PB  - McGraw-Hill
KW  - Information systems
N1  - Includes bibliographical references and index
ER  -