Gaya APA
Zyman, Sergio. (1999).
The end of marketing as we know it .
Singapore:
Harper Business.
Gaya Chicago
Zyman, Sergio.
The end of marketing as we know it.
Singapore:
Harper Business,
1999.
Text.
Gaya MLA
Zyman, Sergio.
The end of marketing as we know it.
Singapore:
Harper Business,
1999.
Text.
Gaya Turabian
Zyman, Sergio.
The end of marketing as we know it.
Singapore:
Harper Business,
1999.
Print.