Gaya APA
O\'Brien, James A.. (1990).
Management information systems : a managerial and user perspective / James A. O'Brien .
:
Irwin.
Gaya Chicago
O\'Brien, James A..
Management information systems : a managerial and user perspective / James A. O'Brien.
:
Irwin,
1990.
Text.
Gaya MLA
O\'Brien, James A..
Management information systems : a managerial and user perspective / James A. O'Brien.
:
Irwin,
1990.
Text.
Gaya Turabian
O\'Brien, James A..
Management information systems : a managerial and user perspective / James A. O'Brien.
:
Irwin,
1990.
Print.