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.