Gaya APA
O\'Brien, James A.. (2005).
Introduction to information systems (12e).
Boston:
McGraw Hill.
Gaya Chicago
O\'Brien, James A..
Introduction to information systems.
12e
Boston:
McGraw Hill,
2005.
CD ROM.
Gaya MLA
O\'Brien, James A..
Introduction to information systems.
12e
Boston:
McGraw Hill,
2005.
CD ROM.
Gaya Turabian
O\'Brien, James A..
Introduction to information systems.
12e
Boston:
McGraw Hill,
2005.
CD ROM.