Gaya APA
Introduction to Information Systems. (2013).
singapore:
Wiley.
Gaya Chicago
Introduction to Information Systems.
5.
singapore:
Wiley,
2013.
Text.
Gaya MLA
Introduction to Information Systems.
5.
singapore:
Wiley,
2013.
Text.
Gaya Turabian
Introduction to Information Systems.
singapore:
Wiley,
2013.
Print.