Gaya APA
Alter, Steven. (2002).
International Systems: The Foundation of E-Business (Fourth Edition).
New Jersey:
Pearson Education Internasional.
Gaya Chicago
Alter, Steven.
International Systems: The Foundation of E-Business.
Fourth Edition
New Jersey:
Pearson Education Internasional,
2002.
Buku.
Gaya MLA
Alter, Steven.
International Systems: The Foundation of E-Business.
Fourth Edition
New Jersey:
Pearson Education Internasional,
2002.
Buku.
Gaya Turabian
Alter, Steven.
International Systems: The Foundation of E-Business.
Fourth Edition
New Jersey:
Pearson Education Internasional,
2002.
Buku.