Gaya APA
O'BRIEN, James A., MARAKAS, George M.. (2007).
Introduction to information systems (13th Ed.).
New York:
The McGraw-Hill Companies, Inc..
Gaya Chicago
O'BRIEN, James A., MARAKAS, George M..
Introduction to information systems.
13th Ed.
New York:
The McGraw-Hill Companies, Inc.,
2007.
Text.
Gaya MLA
O'BRIEN, James A., MARAKAS, George M..
Introduction to information systems.
13th Ed.
New York:
The McGraw-Hill Companies, Inc.,
2007.
Text.
Gaya Turabian
O'BRIEN, James A., MARAKAS, George M..
Introduction to information systems.
13th Ed.
New York:
The McGraw-Hill Companies, Inc.,
2007.
Print.