Gaya APA
Alter, Steven. (2002).
Information systems : foundation of E-Business / Steven Alter (5th Ed.).
:
New Jersey : Prentice-Hall.
Gaya Chicago
Alter, Steven.
Information systems : foundation of E-Business / Steven Alter.
5th Ed.
:
New Jersey : Prentice-Hall,
2002.
Buku.
Gaya MLA
Alter, Steven.
Information systems : foundation of E-Business / Steven Alter.
5th Ed.
:
New Jersey : Prentice-Hall,
2002.
Buku.
Gaya Turabian
Alter, Steven.
Information systems : foundation of E-Business / Steven Alter.
5th Ed.
:
New Jersey : Prentice-Hall,
2002.
Buku.