Gaya APA
Siegel, David. (1999).
Future your enterprise : business strategy in the age of the e-customer .
New York:
John Wiley.
Gaya Chicago
Siegel, David.
Future your enterprise : business strategy in the age of the e-customer.
New York:
John Wiley,
1999.
Buku.
Gaya MLA
Siegel, David.
Future your enterprise : business strategy in the age of the e-customer.
New York:
John Wiley,
1999.
Buku.
Gaya Turabian
Siegel, David.
Future your enterprise : business strategy in the age of the e-customer.
New York:
John Wiley,
1999.
Buku.