Gaya APA
O'BRIEN, JAMES A.. (2005).
INTRODUCTION TO INFORMATION SYSTEMS (12).
NEW YORK:
McGRAW HILL.
Gaya Chicago
O'BRIEN, JAMES A..
INTRODUCTION TO INFORMATION SYSTEMS.
12
NEW YORK:
McGRAW HILL,
2005.
Text.
Gaya MLA
O'BRIEN, JAMES A..
INTRODUCTION TO INFORMATION SYSTEMS.
12
NEW YORK:
McGRAW HILL,
2005.
Text.
Gaya Turabian
O'BRIEN, JAMES A..
INTRODUCTION TO INFORMATION SYSTEMS.
12
NEW YORK:
McGRAW HILL,
2005.
Print.