Gaya APA
Godin, Seth. (2003).
Purple cow: Transform your business by being remarkable .
Jakarta:
Portfolio.
Gaya Chicago
Godin, Seth.
Purple cow: Transform your business by being remarkable.
Jakarta:
Portfolio,
2003.
Text.
Gaya MLA
Godin, Seth.
Purple cow: Transform your business by being remarkable.
Jakarta:
Portfolio,
2003.
Text.
Gaya Turabian
Godin, Seth.
Purple cow: Transform your business by being remarkable.
Jakarta:
Portfolio,
2003.
Print.